Merge branch 'main' of alkmene:joerg/datastructures

datastructures-trie/src/main/java/org/xbib/datastructures/trie/Node.java

@@ -0,0 +1,43 @@
+package org.xbib.datastructures.trie;
+
+import java.util.HashMap;
+import java.util.Map;
+ 
+public class Node<T> {
+
+    private Character key;
+
+    private T value;
+
+    private boolean terminal;
+
+    private final Map<Character, Node<T>> children = new HashMap<>();
+     
+    public Character getKey() {
+        return key;
+    }
+ 
+    public void setKey(Character key) {
+        this.key = key;
+    }
+ 
+    public T getValue() {
+        return value;
+    }
+ 
+    public void setValue(T value) {
+        this.value = value;
+    }
+     
+    public boolean isTerminal() {
+        return terminal;
+    }
+ 
+    public void setTerminal(boolean terminal) {
+        this.terminal = terminal;
+    }
+ 
+    public Map<Character, Node<T>> getChildren() {
+        return children;
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/Trie.java

@@ -0,0 +1,24 @@
+package org.xbib.datastructures.trie;
+
+import java.util.List;
+import java.util.Set;
+
+/**
+ * https://stevedaskam.wordpress.com/2009/05/28/trie-structures/
+ *
+ * @param <T>
+ */
+public interface Trie<T> {
+
+    void add(String key, T value);
+
+    T search(String key);
+
+    List<T> startsWith(String prefix);
+
+    boolean contains(String key);
+
+    Set<String> getAllKeys();
+
+    int size();
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/TrieImpl.java

@@ -0,0 +1,127 @@
+package org.xbib.datastructures.trie;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+ 
+public class TrieImpl<T> implements Trie<T> {
+
+    private final Node<T> node = new Node<>();
+
+    @Override
+    public void add(String key, T value) {
+        addNode(node, key, 0, value);
+    }
+
+    @Override
+    public T search(String key) {
+        return findKey(node, key);
+    }
+
+    @Override
+    public List<T> startsWith(String prefix) {
+        List<T> list = new ArrayList<>();
+        Node<T> node = this.node;
+        for (char c : prefix.toCharArray()) {
+            node = node.getChildren().get(c);
+            if (node == null) {
+                break;
+            }
+        }
+        if (node != null) {
+            getValues(node, list);
+        }
+        return list;
+    }
+
+    @Override
+    public boolean contains(String key) {
+        return hasKey(node, key);
+    }
+
+    @Override
+    public Set<String> getAllKeys() {
+        Set<String> keySet = new HashSet<>();
+        getKeys(node, "", keySet);
+        return keySet;
+    }
+
+    @Override
+    public int size() {
+        return getAllKeys().size();
+    }
+     
+    private void getValues(Node<T> currNode, List<T> valueList) {
+        if (currNode.isTerminal()) {
+            valueList.add(currNode.getValue());
+        }
+        Map<Character, Node<T>> children = currNode.getChildren();
+        for (Map.Entry<Character, Node<T>> entry : children.entrySet()) {
+            getValues(entry.getValue(), valueList);
+        }
+    }
+     
+    private void getKeys(Node<T> currNode, String key, Set<String> keySet) {
+        if (currNode.isTerminal()) {
+            keySet.add(key);
+        }
+        Map<Character, Node<T>> children = currNode.getChildren();
+        for (Map.Entry<Character, Node<T>> entry : children.entrySet()) {
+            String s = key + entry.getValue().getKey();
+            getKeys(entry.getValue(), s, keySet);
+        }
+    }
+     
+    private T findKey(Node<T> currNode, String key) {
+        char ch = key.length() > 0 ? key.charAt(0) : '\0';
+        if (currNode.getChildren().containsKey(ch)) {
+            Node<T> nextNode = currNode.getChildren().get(ch);
+            if (key.length() <= 1) {
+                if (nextNode.isTerminal()) {
+                    return nextNode.getValue();
+                }
+            } else {
+                return findKey(nextNode, key.substring(1));
+            }
+        }
+        return null;
+    }
+     
+    private boolean hasKey(Node<T> currNode, String key) {
+        char c = key.length() > 0 ? key.charAt(0) : '\0';
+        if (currNode.getChildren().containsKey(c)) {
+            Node<T> nextNode = currNode.getChildren().get(c);
+            if (key.length() <= 1) {
+                return nextNode.isTerminal();
+            } else {
+                return hasKey(nextNode, key.substring(1));
+            }
+        }
+        return false;
+    }
+     
+    private void addNode(Node<T> currNode, String key, int pos, T value) {
+        Character c = pos < key.length() ? key.charAt(pos) : '\0';
+        Node<T> nextNode = currNode.getChildren().get(c);
+        if (nextNode == null) {
+            nextNode = new Node<>();
+            nextNode.setKey(c);
+            if (pos < key.length() - 1) {
+                addNode(nextNode, key, pos + 1, value);
+            } else {
+                nextNode.setValue(value);
+                nextNode.setTerminal(true);
+            }
+            currNode.getChildren().put(c, nextNode);
+        } else {
+            if (pos < key.length() - 1) {
+                addNode(nextNode, key, pos + 1, value);
+            } else {
+                nextNode.setValue(value);
+                nextNode.setTerminal(true);
+            }
+        }
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/compact/Node.java

@@ -0,0 +1,37 @@
+package org.xbib.datastructures.trie.compact;
+
+class Node {
+
+    boolean isLeaf;
+
+    char[] value;
+    Node[] children;
+
+    // temp variable, carrying information about potential mismatch used for inserting
+    int divergeKeyIndex;
+    int divergePatternIndex;
+
+    Node copyNode(char[] value) {
+        Node node = new Node();
+        node.value = value;
+        node.isLeaf = this.isLeaf;
+        node.children = this.children;
+        return node;
+    }
+
+    static Node innerNode(char[] value) {
+        Node node = new Node();
+        node.isLeaf = false;
+        node.value = value;
+        node.children = new Node[26];
+        return node;
+    }
+
+    static Node leafNode(char[] value) {
+        Node node = new Node();
+        node.isLeaf = true;
+        node.value = value;
+        node.children = new Node[26];
+        return node;
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/compact/Trie.java

@@ -0,0 +1,115 @@
+package org.xbib.datastructures.trie.compact;
+
+import java.util.Arrays;
+
+/**
+ * https://leetcode.com/problems/implement-trie-prefix-tree/discuss/467046/Java-Radix-tree-(compact-prefix-tree)-beats-99.7-runtime-and-100-memory
+ */
+
+public class Trie {
+
+    private static int indexOf(char c) {
+        return c - 'a';
+    }
+
+    private final Node root;
+
+    public Trie() {
+        root = Node.innerNode(new char[0]);
+    }
+
+    public void insert(String word) {
+        char[] key = word.toCharArray();
+        Node lastNode = search(root, key, 0);
+        if (lastNode.divergeKeyIndex == key.length) { 
+            if (lastNode.divergePatternIndex == lastNode.value.length) {
+                lastNode.isLeaf = true;
+            } else {// we need to reduce length of the compressed pattern in the current node,
+                // make it node leaf, and create child that carry over the original children/isLeaf
+                char[] childValue = Arrays.copyOfRange(lastNode.value,
+                        lastNode.divergePatternIndex, lastNode.value.length);
+                Node childNode = lastNode.copyNode(childValue);
+                lastNode.value = Arrays.copyOfRange(lastNode.value,
+                        0, lastNode.divergePatternIndex);
+                lastNode.isLeaf = true;
+                lastNode.children = new Node[26];
+                lastNode.children[indexOf(childValue[0])] = childNode;
+            }
+        } else { 
+            if (lastNode.divergePatternIndex < lastNode.value.length) {// If diverge happens in middle of both array
+                // we need to reduce length of the compressed pattern in the current node
+                // create one leaf node for the new key, one child that carry over the original children/isLeaf
+                Node newLeaf = Node.leafNode(Arrays.copyOfRange(key, lastNode.divergeKeyIndex, key.length));
+                Node newChild = lastNode.copyNode(Arrays.copyOfRange(lastNode.value,
+                        lastNode.divergePatternIndex, lastNode.value.length));
+                lastNode.children = new Node[26];
+                lastNode.children[indexOf(newLeaf.value[0])] = newLeaf;
+                lastNode.children[indexOf(newChild.value[0])] = newChild;
+                lastNode.isLeaf = false;
+                lastNode.value = Arrays.copyOfRange(lastNode.value, 0, lastNode.divergePatternIndex);
+            } else { // pattern is shorter than the key
+                // we need to create a left node for the new key, and append it to the original ndoe
+                Node newLeaf = Node.leafNode(Arrays.copyOfRange(key, lastNode.divergeKeyIndex, key.length));
+                lastNode.children[indexOf(newLeaf.value[0])] = newLeaf;
+            }
+        }
+    }
+
+    /** Returns if the word is in the trie. */
+    public boolean search(String word) {
+        char[] key = word.toCharArray();
+        Node lastNode = search(root, key, 0);
+        // if we run out of key and pattern, and node is leaf, then key exists
+        return lastNode.divergeKeyIndex == key.length &&
+                lastNode.divergePatternIndex == lastNode.value.length &&
+                lastNode.isLeaf;
+    }
+
+    /** Returns if there is any word in the trie that starts with the given prefix. */
+    public boolean startsWith(String prefix) {
+        char[] key = prefix.toCharArray();
+        Node lastNode = search(root, key, 0);
+        // if we run out of key, than prefix exists
+        return lastNode.divergeKeyIndex == key.length;
+    }
+
+    // Return the last node in the search path
+    private Node search(Node node, char[] key, int begin) {
+        int patternMismatchIndex = compare(key, begin, node.value);
+        int divergeKeyIndex = patternMismatchIndex + begin;
+
+        if (divergeKeyIndex >= key.length) {// If we run out of keys (could be match or prefix)
+            node.divergeKeyIndex = divergeKeyIndex;
+            node.divergePatternIndex = patternMismatchIndex;
+            return node;
+        } else {
+            if (patternMismatchIndex >= node.value.length) {// if we run out of values(continue search child)
+                Node nextNode = node.children[indexOf(key[divergeKeyIndex])];
+                if (nextNode == null) { // we've reach the end
+                    node.divergeKeyIndex = divergeKeyIndex;
+                    node.divergePatternIndex = patternMismatchIndex;
+                    return node;
+                } else {
+                    return search(nextNode, key, divergeKeyIndex);
+                }
+            } else {// if mismatch happens in the middle of pattern
+                node.divergeKeyIndex = divergeKeyIndex;
+                node.divergePatternIndex = patternMismatchIndex;
+                return node;
+            }
+        }
+    }
+
+    private static int compare(char[] src, int begin, char[] pattern) {
+        int srcIndex = begin;
+        int patternIndex = 0;
+        while (srcIndex < src.length && patternIndex < pattern.length) {
+            if (src[srcIndex] != pattern[srcIndex - begin]) {
+                break; // src and pattern diverges
+            }
+            srcIndex ++;
+            patternIndex ++;
+        }
+        return patternIndex;
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/limewire/EmptyIterator.java

@@ -0,0 +1,44 @@
+package org.xbib.datastructures.trie.limewire;
+
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+
+/**
+ * Provides an unmodifiable empty iterator. <code>EmptyIterator</code> always
+ * returns that there aren't any more items and throws a
+ * {@link NoSuchElementException} when attempting to move to the next item.
+ *
+ * <pre>
+ * try{
+ * EmptyIterator ei = new EmptyIterator();
+ * ei.next();
+ * } catch (Exception e) {
+ * System.out.println("Expected to get NoSuchElementException exception: " + e.toString());
+ * }
+ *
+ * Output:
+ * Expected to get NoSuchElementException exception: java.util.NoSuchElementException
+ * </pre>
+ */
+public class EmptyIterator extends UnmodifiableIterator {
+    /**
+     * A constant EmptyIterator.
+     */
+    public final static Iterator EMPTY_ITERATOR = new EmptyIterator();
+
+    @SuppressWarnings("unchecked")
+    public static <T> Iterator<T> emptyIterator() {
+        return EMPTY_ITERATOR;
+    }
+
+    // inherits javadoc comment
+    public boolean hasNext() {
+        return false;
+    }
+
+    // inherits javadoc comment
+    public Object next() {
+        throw new NoSuchElementException();
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/limewire/Trie.java

@@ -0,0 +1,157 @@
+package org.xbib.datastructures.trie.limewire;
+
+import java.util.Map;
+import java.util.SortedMap;
+
+/**
+ * Defines the interface for a prefix tree, an ordered tree data structure. For
+ * more information, see <a href= "http://en.wikipedia.org/wiki/Trie">Tries</a>.
+ *
+ * @author Roger Kapsi
+ * @author Sam Berlin
+ */
+public interface Trie<K, V> extends SortedMap<K, V> {
+
+    /**
+     * Returns a view of this Trie of all elements that are
+     * prefixed by the given key.
+     * <p>
+     * In a fixed-keysize Trie, this is essentially a 'get' operation.
+     * <p>
+     * For example, if the Trie contains 'Lime', 'LimeWire',
+     * 'LimeRadio', 'Lax', 'Later', 'Lake', and 'Lovely', then
+     * a lookup of 'Lime' would return 'Lime', 'LimeRadio', and 'LimeWire'.
+     */
+    SortedMap<K, V> getPrefixedBy(K key);
+
+    /**
+     * Returns a view of this Trie of all elements that are
+     * prefixed by the length of the key.
+     * <p>
+     * Fixed-keysize Tries will not support this operation
+     * (because all keys will be the same length).
+     * <p>
+     * For example, if the Trie contains 'Lime', 'LimeWire',
+     * 'LimeRadio', 'Lax', 'Later', 'Lake', and 'Lovely', then
+     * a lookup of 'LimePlastics' with a length of 4 would
+     * return 'Lime', 'LimeRadio', and 'LimeWire'.
+     */
+    SortedMap<K, V> getPrefixedBy(K key, int length);
+
+    /**
+     * Returns a view of this Trie of all elements that are prefixed
+     * by the key, starting at the given offset and for the given length.
+     * <p>
+     * Fixed-keysize Tries will not support this operation
+     * (because all keys are the same length).
+     * <p>
+     * For example, if the Trie contains 'Lime', 'LimeWire',
+     * 'LimeRadio', 'Lax', 'Later', 'Lake', and 'Lovely', then
+     * a lookup of 'The Lime Plastics' with an offset of 4 and a
+     * length of 4 would return 'Lime', 'LimeRadio', and 'LimeWire'.
+     */
+    SortedMap<K, V> getPrefixedBy(K key, int offset, int length);
+
+    /**
+     * Returns a view of this Trie of all elements that are prefixed
+     * by the number of bits in the given Key.
+     * <p>
+     * Fixed-keysize Tries can support this operation as a way to do
+     * lookups of partial keys.  That is, if the Trie is storing IP
+     * addresses, you can lookup all addresses that begin with
+     * '192.168' by providing the key '192.168.X.X' and a length of 16
+     * would return all addresses that begin with '192.168'.
+     */
+    SortedMap<K, V> getPrefixedByBits(K key, int bitLength);
+
+    /**
+     * Returns the value for the entry whose key is closest in a bitwise
+     * XOR metric to the given key.  This is NOT lexicographic closeness.
+     * For example, given the keys:<p>
+     * D = 1000100 <br>
+     * H = 1001000 <br>
+     * L = 1001100 <br>
+     * <p>
+     * If the Trie contained 'H' and 'L', a lookup of 'D' would return 'L',
+     * because the XOR distance between D & L is smaller than the XOR distance
+     * between D & H.
+     */
+    V select(K key);
+
+    /**
+     * Iterates through the Trie, starting with the entry whose bitwise
+     * value is closest in an XOR metric to the given key.  After the closest
+     * entry is found, the Trie will call select on that entry and continue
+     * calling select for each entry (traversing in order of XOR closeness,
+     * NOT lexicographically) until the cursor returns
+     * <code>Cursor.SelectStatus.EXIT</code>.<p>
+     * The cursor can return <code>Cursor.SelectStatus.CONTINUE</code> to
+     * continue traversing.<p>
+     * <code>Cursor.SelectStatus.REMOVE_AND_EXIT</code> is used to remove the current element
+     * and stop traversing.
+     * <p>
+     * Note: The {@link Cursor.SelectStatus#REMOVE} operation is not supported.
+     *
+     * @return The entry the cursor returned EXIT on, or null if it continued
+     * till the end.
+     */
+    Map.Entry<K, V> select(K key, Cursor<? super K, ? super V> cursor);
+
+    /**
+     * Traverses the Trie in lexicographical order. <code>Cursor.select</code>
+     * will be called on each entry.<p>
+     * The traversal will stop when the cursor returns <code>Cursor.SelectStatus.EXIT</code>.<p>
+     * <code>Cursor.SelectStatus.CONTINUE</code> is used to continue traversing.<p>
+     * <code>Cursor.SelectStatus.REMOVE</code> is used to remove the element that was
+     * selected and continue traversing.<p>
+     * <code>Cursor.SelectStatus.REMOVE_AND_EXIT</code> is used to remove the current element
+     * and stop traversing.
+     *
+     * @return The entry the cursor returned EXIT on, or null if it continued
+     * till the end.
+     */
+    Map.Entry<K, V> traverse(Cursor<? super K, ? super V> cursor);
+
+    /**
+     * An interface used by a {@link Trie}. A {@link Trie} selects items by
+     * closeness and passes the items to the <code>Cursor</code>. You can then
+     * decide what to do with the key-value pair and the return value
+     * from {@link #select(java.util.Map.Entry)} tells the <code>Trie</code>
+     * what to do next.
+     * <p>
+     * <code>Cursor</code> returns status/selection status might be:
+     * <table cellspace="5">
+     * <tr><td><b>Return Value</b></td><td><b>Status</b></td></tr>
+     * <tr><td>EXIT</td><td>Finish the Trie operation</td></tr>
+     * <tr><td>CONTINUE</td><td>Look at the next element in the traversal</td></tr>
+     * <tr><td>REMOVE_AND_EXIT</td><td>Remove the entry and stop iterating</td></tr>
+     * <tr><td>REMOVE</td><td>Remove the entry and continue iterating</td></tr>
+     * </table>
+     * <p>
+     * Note: {@link Trie#select(Object, Trie.Cursor)} does
+     * not support <code>REMOVE</code>.
+     *
+     * @param <K> Key Type
+     * @param <V> Key Value
+     */
+    interface Cursor<K, V> {
+
+        /**
+         * Notification that the Trie is currently looking at the given entry.
+         * Return <code>EXIT</code> to finish the Trie operation,
+         * <code>CONTINUE</code> to look at the next entry, <code>REMOVE</code>
+         * to remove the entry and continue iterating, or
+         * <code>REMOVE_AND_EXIT</code> to remove the entry and stop iterating.
+         * Not all operations support <code>REMOVE</code>.
+         */
+        SelectStatus select(Map.Entry<? extends K, ? extends V> entry);
+
+        /**
+         * The mode during selection.
+         */
+        enum SelectStatus {
+            EXIT, CONTINUE, REMOVE, REMOVE_AND_EXIT
+        }
+    }
+}
+

datastructures-trie/src/main/java/org/xbib/datastructures/trie/limewire/UnmodifiableIterator.java

@@ -0,0 +1,21 @@
+package org.xbib.datastructures.trie.limewire;
+
+import java.util.Iterator;
+
+/**
+ * A convenience class to aid in developing iterators that cannot be modified.
+ */
+public abstract class UnmodifiableIterator<E> implements Iterator<E> {
+    /**
+     * Throws <code>UnsupportedOperationException</code>.
+     */
+    public final void remove() {
+        throw new UnsupportedOperationException();
+    }
+}
+
+
+
+ 
+
+

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/AbstractKeyAnalyzer.java

@@ -0,0 +1,13 @@
+package org.xbib.datastructures.trie.patricia;
+
+/**
+ * An abstract implementation of {@link KeyAnalyzer}.
+ */
+public abstract class AbstractKeyAnalyzer<K> implements KeyAnalyzer<K> {
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public int compare(K o1, K o2) {
+        return ((Comparable<K>) o1).compareTo(o2);
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/AbstractTrie.java

@@ -0,0 +1,193 @@
+package org.xbib.datastructures.trie.patricia;
+
+import java.util.AbstractMap;
+import java.util.Map;
+import java.util.Objects;
+
+/**
+ * This class provides some basic {@link PrefixTree} functionality and
+ * utility methods for actual {@link PrefixTree} implementations.
+ */
+abstract class AbstractTrie<K, V> extends AbstractMap<K, V> implements PrefixTree<K, V> {
+
+    /**
+     * The {@link KeyAnalyzer} that's being used to build the
+     * PATRICIA {@link PrefixTree}
+     */
+    protected final KeyAnalyzer<? super K> keyAnalyzer;
+
+    public AbstractTrie() {
+        this(DefaultKeyAnalyzer.singleton());
+    }
+
+    /**
+     * Constructs a new {@link PrefixTree} using the given {@link KeyAnalyzer}
+     */
+    public AbstractTrie(KeyAnalyzer<? super K> keyAnalyzer) {
+        this.keyAnalyzer = Objects.requireNonNull(keyAnalyzer, "keyAnalyzer");
+    }
+
+    /**
+     * Returns the {@link KeyAnalyzer} that constructed the {@link PrefixTree}.
+     */
+    public KeyAnalyzer<? super K> getKeyAnalyzer() {
+        return keyAnalyzer;
+    }
+
+    @Override
+    public K selectKey(K key) {
+        Map.Entry<K, V> entry = select(key);
+        return entry != null ? entry.getKey() : null;
+    }
+
+    @Override
+    public V selectValue(K key) {
+        Map.Entry<K, V> entry = select(key);
+        return entry != null ? entry.getValue() : null;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder buffer = new StringBuilder();
+        buffer.append("Trie[").append(size()).append("]={\n");
+        for (Map.Entry<K, V> entry : entrySet()) {
+            buffer.append("  ").append(entry).append("\n");
+        }
+        buffer.append("}\n");
+        return buffer.toString();
+    }
+
+    /**
+     * Returns the length of the given key in bits
+     *
+     * @see KeyAnalyzer#lengthInBits(Object)
+     */
+    final int lengthInBits(K key) {
+        if (key == null) {
+            return 0;
+        }
+        return keyAnalyzer.lengthInBits(key);
+    }
+
+    /**
+     * Returns whether or not the given bit on the
+     * key is set or false if the key is null.
+     *
+     * @see KeyAnalyzer#isBitSet(Object, int)
+     */
+    final boolean isBitSet(K key, int bitIndex) {
+        if (key == null) { // root's might be null!
+            return false;
+        }
+        return keyAnalyzer.isBitSet(key, bitIndex);
+    }
+
+    /**
+     * Utility method for calling {@link KeyAnalyzer#bitIndex(Object, Object)}
+     */
+    final int bitIndex(K key, K otherKey) {
+        if (key != null && otherKey != null) {
+            return keyAnalyzer.bitIndex(key, otherKey);
+        } else if (key != null) {
+            return bitIndex(key);
+        } else if (otherKey != null) {
+            return bitIndex(otherKey);
+        }
+        return KeyAnalyzer.NULL_BIT_KEY;
+    }
+
+    private int bitIndex(K key) {
+        int lengthInBits = lengthInBits(key);
+        for (int i = 0; i < lengthInBits; i++) {
+            if (isBitSet(key, i)) {
+                return i;
+            }
+        }
+        return KeyAnalyzer.NULL_BIT_KEY;
+    }
+
+    /**
+     * An utility method for calling {@link KeyAnalyzer#compare(Object, Object)}
+     */
+    final boolean compareKeys(K key, K other) {
+        if (key == null) {
+            return (other == null);
+        } else if (other == null) {
+            return false;
+        }
+        return keyAnalyzer.compare(key, other) == 0;
+    }
+
+    /**
+     * A basic implementation of {@link Entry}
+     */
+    abstract static class BasicEntry<K, V> implements Map.Entry<K, V> {
+
+        protected K key;
+
+        protected V value;
+
+        private transient int hashCode = 0;
+
+        public BasicEntry(K key) {
+            this.key = key;
+        }
+
+        public BasicEntry(K key, V value) {
+            this.key = key;
+            this.value = value;
+        }
+
+        /**
+         * Replaces the current key and value with the provided
+         * key &amp; value
+         */
+        public V setKeyValue(K key, V value) {
+            this.key = key;
+            this.hashCode = 0;
+            return setValue(value);
+        }
+
+        @Override
+        public K getKey() {
+            return key;
+        }
+
+        @Override
+        public V getValue() {
+            return value;
+        }
+
+        @Override
+        public V setValue(V value) {
+            V previous = this.value;
+            this.value = value;
+            return previous;
+        }
+
+        @Override
+        public int hashCode() {
+            if (hashCode == 0) {
+                hashCode = (key != null ? key.hashCode() : 0);
+            }
+            return hashCode;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (o == this) {
+                return true;
+            } else if (!(o instanceof Map.Entry<?, ?>)) {
+                return false;
+            }
+            Map.Entry<?, ?> other = (Map.Entry<?, ?>) o;
+            return (key == null ? other.getKey() == null : key.equals(other.getKey())) &&
+                    (value == null ? other.getValue() == null : value.equals(other.getValue()));
+        }
+
+        @Override
+        public String toString() {
+            return key + "=" + value;
+        }
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/Cursor.java

@@ -0,0 +1,57 @@
+package org.xbib.datastructures.trie.patricia;
+
+import java.util.Map;
+import java.util.Map.Entry;
+
+/**
+ * A {@link Cursor} can be used to traverse a {@link PrefixTree}, visit each node
+ * step by step and make {@link Decision}s on each step how to continue with
+ * traversing the {@link PrefixTree}.
+ */
+public interface Cursor<K, V> {
+
+    /**
+     * Called for each {@link Entry} in the {@link PrefixTree}. Return
+     * {@link Decision#EXIT} to finish the {@link PrefixTree} operation,
+     * {@link Decision#CONTINUE} to go to the next {@link Entry},
+     * {@link Decision#REMOVE} to remove the {@link Entry} and
+     * continue iterating or {@link Decision#REMOVE_AND_EXIT} to
+     * remove the {@link Entry} and stop iterating.
+     * <p>
+     * Note: Not all operations support {@link Decision#REMOVE}.
+     */
+    Decision select(Map.Entry<? extends K, ? extends V> entry);
+
+    /**
+     * The {@link Decision} tells the {@link Cursor} what to do on each step
+     * while traversing the {@link PrefixTree}.
+     * <p>
+     * NOTE: Not all operations that work with a {@link Cursor} support all
+     * {@link Decision} types
+     */
+    enum Decision {
+
+        /**
+         * Exit the traverse operation
+         */
+        EXIT,
+
+        /**
+         * Continue with the traverse operation
+         */
+        CONTINUE,
+
+        /**
+         * Remove the previously returned element
+         * from the {@link PrefixTree} and continue
+         */
+        REMOVE,
+
+        /**
+         * Remove the previously returned element
+         * from the {@link PrefixTree} and exit from the
+         * traverse operation
+         */
+        REMOVE_AND_EXIT
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/DefaultKeyAnalyzer.java

@@ -0,0 +1,34 @@
+package org.xbib.datastructures.trie.patricia;
+
+/**
+ * An implementation of {@link KeyAnalyzer} that assumes all keys have the {@link Key} interface implemented.
+ */
+public class DefaultKeyAnalyzer<K extends Key<K>> extends AbstractKeyAnalyzer<K> {
+    @SuppressWarnings("rawtypes")
+    private static final DefaultKeyAnalyzer INSTANCE = new DefaultKeyAnalyzer();
+
+    @SuppressWarnings("unchecked")
+    public static <K> KeyAnalyzer<K> singleton() {
+        return (KeyAnalyzer<K>) INSTANCE;
+    }
+
+    @Override
+    public int lengthInBits(K key) {
+        return key.lengthInBits();
+    }
+
+    @Override
+    public boolean isBitSet(K key, int bitIndex) {
+        return key.isBitSet(bitIndex);
+    }
+
+    @Override
+    public int bitIndex(K key, K otherKey) {
+        return key.bitIndex(otherKey);
+    }
+
+    @Override
+    public boolean isPrefix(K key, K prefix) {
+        return key.isPrefixedBy(prefix);
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/Key.java

@@ -0,0 +1,30 @@
+package org.xbib.datastructures.trie.patricia;
+
+/**
+ * An interface that {@link PatriciaTrie} keys may implement.
+ *
+ * @see KeyAnalyzer
+ * @see DefaultKeyAnalyzer
+ */
+public interface Key<K> {
+
+    /**
+     * Returns the key's length in bits.
+     */
+    int lengthInBits();
+
+    /**
+     * Returns {@code true} if the given bit is set.
+     */
+    boolean isBitSet(int bitIndex);
+
+    /**
+     * Returns the index of the first bit that is different in the two keys.
+     */
+    int bitIndex(K otherKey);
+
+    /**
+     * Returns {@code true} if this key is prefixed by the given key.
+     */
+    boolean isPrefixedBy(K prefix);
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/KeyAnalyzer.java

@@ -0,0 +1,49 @@
+package org.xbib.datastructures.trie.patricia;
+
+import java.util.Comparator;
+
+/**
+ * The {@link KeyAnalyzer} provides bit-level access to keys
+ * for the {@link PatriciaTrie}.
+ */
+public interface KeyAnalyzer<K> extends Comparator<K> {
+
+    /**
+     * Returned by {@link #bitIndex(Object, Object)} if a key's
+     * bits were all zero (0).
+     */
+    int NULL_BIT_KEY = -1;
+
+    /**
+     * Returned by {@link #bitIndex(Object, Object)} if a the
+     * bits of two keys were all equal.
+     */
+    int EQUAL_BIT_KEY = -2;
+
+    /**
+     * Returned by {@link #bitIndex(Object, Object)} if a keys
+     * indices are out of bounds.
+     */
+    int OUT_OF_BOUNDS_BIT_KEY = -3;
+
+    /**
+     * Returns the key's length in bits.
+     */
+    int lengthInBits(K key);
+
+    /**
+     * Returns {@code true} if a key's bit it set at the given index.
+     */
+    boolean isBitSet(K key, int bitIndex);
+
+    /**
+     * Returns the index of the first bit that is different in the two keys.
+     */
+    int bitIndex(K key, K otherKey);
+
+    /**
+     * Returns {@code true} if the second argument is a
+     * prefix of the first argument.
+     */
+    boolean isPrefix(K key, K prefix);
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/patricia/PrefixTree.java

@@ -0,0 +1,121 @@
+package org.xbib.datastructures.trie.patricia;
+
+import java.util.Map;
+import java.util.SortedMap;
+
+/**
+ * Defines the interface for a prefix tree, an ordered tree data structure. For
+ * more information, see <a href="http://en.wikipedia.org/wiki/Trie">Tries</a>.
+ */
+public interface PrefixTree<K, V> extends SortedMap<K, V> {
+
+    /**
+     * Returns the {@link Map.Entry} whose key is closest in a bitwise XOR
+     * metric to the given key. This is NOT lexicographic closeness.
+     * For example, given the keys:
+     *
+     * <ol>
+     * <li>D = 1000100
+     * <li>H = 1001000
+     * <li>L = 1001100
+     * </ol>
+     * <p>
+     * If the {@link PrefixTree} contained 'H' and 'L', a lookup of 'D' would
+     * return 'L', because the XOR distance between D &amp; L is smaller
+     * than the XOR distance between D &amp; H.
+     *
+     * @return The {@link Map.Entry} whose key is closest in a bitwise XOR metric
+     * to the provided key.
+     */
+    Map.Entry<K, V> select(K key);
+
+    /**
+     * Returns the key that is closest in a bitwise XOR metric to the
+     * provided key. This is NOT lexicographic closeness!
+     * <p>
+     * For example, given the keys:
+     *
+     * <ol>
+     * <li>D = 1000100
+     * <li>H = 1001000
+     * <li>L = 1001100
+     * </ol>
+     * <p>
+     * If the {@link PrefixTree} contained 'H' and 'L', a lookup of 'D' would
+     * return 'L', because the XOR distance between D &amp; L is smaller
+     * than the XOR distance between D &amp; H.
+     *
+     * @return The key that is closest in a bitwise XOR metric to the provided key.
+     */
+    K selectKey(K key);
+
+    /**
+     * Returns the value whose key is closest in a bitwise XOR metric to
+     * the provided key. This is NOT lexicographic closeness!
+     * <p>
+     * For example, given the keys:
+     *
+     * <ol>
+     * <li>D = 1000100
+     * <li>H = 1001000
+     * <li>L = 1001100
+     * </ol>
+     * <p>
+     * If the {@link PrefixTree} contained 'H' and 'L', a lookup of 'D' would
+     * return 'L', because the XOR distance between D &amp; L is smaller
+     * than the XOR distance between D &amp; H.
+     *
+     * @return The value whose key is closest in a bitwise XOR metric
+     * to the provided key.
+     */
+    V selectValue(K key);
+
+    /**
+     * Iterates through the {@link PrefixTree}, starting with the entry whose bitwise
+     * value is closest in an XOR metric to the given key. After the closest
+     * entry is found, the {@link PrefixTree} will call select on that entry and continue
+     * calling select for each entry (traversing in order of XOR closeness,
+     * NOT lexicographically) until the cursor returns {@link Cursor.Decision#EXIT}.
+     *
+     * <p>The cursor can return {@link Cursor.Decision#CONTINUE} to continue traversing.
+     *
+     * <p>{@link Cursor.Decision#REMOVE_AND_EXIT} is used to remove the current element
+     * and stop traversing.
+     *
+     * <p>Note: The {@link Cursor.Decision#REMOVE} operation is not supported.
+     *
+     * @return The entry the cursor returned {@link Cursor.Decision#EXIT} on, or null
+     * if it continued till the end.
+     */
+    Map.Entry<K, V> select(K key, Cursor<? super K, ? super V> cursor);
+
+    /**
+     * Traverses the {@link PrefixTree} in lexicographical order.
+     * {@link Cursor#select(java.util.Map.Entry)} will be called on each entry.
+     *
+     * <p>The traversal will stop when the cursor returns {@link Cursor.Decision#EXIT},
+     * {@link Cursor.Decision#CONTINUE} is used to continue traversing and
+     * {@link Cursor.Decision#REMOVE} is used to remove the element that was selected
+     * and continue traversing.
+     *
+     * <p>{@link Cursor.Decision#REMOVE_AND_EXIT} is used to remove the current element
+     * and stop traversing.
+     *
+     * @return The entry the cursor returned {@link Cursor.Decision#EXIT} on, or null
+     * if it continued till the end.
+     */
+    Map.Entry<K, V> traverse(Cursor<? super K, ? super V> cursor);
+
+    /**
+     * Returns a view of this {@link PrefixTree} of all elements that are prefixed
+     * by the given key.
+     *
+     * <p>In a {@link PrefixTree} with fixed size keys, this is essentially a
+     * {@link #get(Object)} operation.
+     *
+     * <p>For example, if the {@link PrefixTree} contains 'Anna', 'Anael',
+     * 'Analu', 'Andreas', 'Andrea', 'Andres', and 'Anatole', then
+     * a lookup of 'And' would return 'Andreas', 'Andrea', and 'Andres'.
+     */
+    SortedMap<K, V> prefixMap(K prefix);
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/DuplicateKeyException.java

@@ -0,0 +1,10 @@
+package org.xbib.datastructures.trie.radix;
+
+/**
+ * Exception thrown if a duplicate key is inserted in a {@link RadixTree}
+ */
+public class DuplicateKeyException extends RuntimeException {
+    public DuplicateKeyException(String msg) {
+        super(msg);
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/Node.java

@@ -0,0 +1,74 @@
+package org.xbib.datastructures.trie.radix;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents a node of a Radix tree {@link RadixTreeImpl}
+ *
+ * @param <T>
+ */
+class Node<T> {
+
+    private String key;
+
+    private List<Node<T>> children;
+
+    private boolean real;
+
+    private T value;
+
+    public Node() {
+        key = "";
+        children = new ArrayList<>();
+        real = false;
+    }
+
+    public T getValue() {
+        return value;
+    }
+
+    public void setValue(T data) {
+        this.value = data;
+    }
+
+    public String getKey() {
+        return key;
+    }
+
+    public void setKey(String value) {
+        this.key = value;
+    }
+
+    public boolean isReal() {
+        return real;
+    }
+
+    public void setReal(boolean datanode) {
+        this.real = datanode;
+    }
+
+    public List<Node<T>> getChildren() {
+        return children;
+    }
+
+    public void setChildren(List<Node<T>> childern) {
+        this.children = childern;
+    }
+
+    public int getNumberOfMatchingCharacters(String key) {
+        int numberOfMatchingCharacters = 0;
+        while (numberOfMatchingCharacters < key.length() && numberOfMatchingCharacters < this.getKey().length()) {
+            if (key.charAt(numberOfMatchingCharacters) != this.getKey().charAt(numberOfMatchingCharacters)) {
+                break;
+            }
+            numberOfMatchingCharacters++;
+        }
+        return numberOfMatchingCharacters;
+    }
+
+    @Override
+    public String toString() {
+        return key;
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/RadixTree.java

@@ -0,0 +1,77 @@
+package org.xbib.datastructures.trie.radix;
+
+import java.util.List;
+
+/**
+ * This interface represent the operation of a radix tree. A radix tree,
+ * Patricia trie/tree, or crit bit tree is a specialized set data structure
+ * based on the trie that is used to store a set of strings. In contrast with a
+ * regular trie, the edges of a Patricia trie are labelled with sequences of
+ * characters rather than with single characters. These can be strings of
+ * characters, bit strings such as integers or IP addresses, or generally
+ * arbitrary sequences of objects in lexicographical order. Sometimes the names
+ * radix tree and crit bit tree are only applied to trees storing integers and
+ * Patricia trie is retained for more general inputs, but the structure works
+ * the same way in all cases.
+ *
+ * https://code.google.com/archive/p/radixtree/
+ */
+public interface RadixTree<T> {
+    /**
+     * Insert a new string key and its value to the tree.
+     *
+     * @param key   The string key of the object
+     * @param value The value that need to be stored corresponding to the given
+     *              key.
+     */
+    void insert(String key, T value);
+
+    /**
+     * Delete a key and its associated value from the tree.
+     *
+     * @param key The key of the node that need to be deleted
+     * @return true if deleted
+     */
+    boolean delete(String key);
+
+    /**
+     * Find a value based on its corresponding key.
+     *
+     * @param key The key for which to search the tree.
+     * @return The value corresponding to the key. null if iot can not find the key
+     */
+    T search(String key);
+
+    /**
+     * Find an existing entry and replace it's value. If no existing entry, do nothing
+     *
+     * @param key   The key for which to search the tree.
+     * @param value The value to set for the entry
+     * @return true if an entry was found for the given key, false if not found
+     */
+    boolean replace(String key, T value);
+
+    /**
+     * Check if the tree contains any entry corresponding to the given key.
+     *
+     * @param key The key that needto be searched in the tree.
+     * @return retun true if the key is present in the tree otherwise false
+     */
+    boolean contains(String key);
+
+    /**
+     * Search for all the keys that start with given prefix. limiting the results based on the supplied limit.
+     *
+     * @param prefix      The prefix for which keys need to be search
+     * @param recordLimit The limit for the results
+     * @return The list of values those key start with the given prefix
+     */
+    List<T> searchPrefix(String prefix, int recordLimit);
+
+    /**
+     * Return the size of the Radix tree
+     *
+     * @return the size of the tree
+     */
+    long getSize();
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/RadixTreeImpl.java

@@ -0,0 +1,275 @@
+package org.xbib.datastructures.trie.radix;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Queue;
+
+/**
+ * Implementation for Radix tree {@link RadixTree}
+ */
+public class RadixTreeImpl<T> implements RadixTree<T> {
+
+    protected Node<T> root;
+
+    protected long size;
+
+    public RadixTreeImpl() {
+        root = new Node<>();
+        root.setKey("");
+        size = 0;
+    }
+
+    @Override
+    public T search(String key) {
+        Visitor<T, T> visitor = new VisitorImpl<>() {
+            @Override
+            public void visit(String key, Node<T> parent, Node<T> node) {
+                if (node.isReal()) {
+                    result = node.getValue();
+                }
+            }
+        };
+        visit(key, visitor);
+        return visitor.getResult();
+    }
+
+    @Override
+    public boolean replace(String key, final T value) {
+        Visitor<T, T> visitor = new VisitorImpl<>() {
+            public void visit(String key, Node<T> parent, Node<T> node) {
+                if (node.isReal()) {
+                    node.setValue(value);
+                    result = value;
+                } else {
+                    result = null;
+                }
+            }
+        };
+        visit(key, visitor);
+        return visitor.getResult() != null;
+    }
+
+    @Override
+    public boolean delete(String key) {
+        Visitor<T, Boolean> visitor = new VisitorImpl<>(Boolean.FALSE) {
+            public void visit(String key, Node<T> parent, Node<T> node) {
+                result = node.isReal();
+                if (result) {
+                    if (node.getChildren().size() == 0) {
+                        Iterator<Node<T>> it = parent.getChildren().iterator();
+                        while (it.hasNext()) {
+                            if (it.next().getKey().equals(node.getKey())) {
+                                it.remove();
+                                break;
+                            }
+                        }
+                        if (parent.getChildren().size() == 1 && !parent.isReal()) {
+                            mergeNodes(parent, parent.getChildren().get(0));
+                        }
+                    } else if (node.getChildren().size() == 1) {
+                        mergeNodes(node, node.getChildren().get(0));
+                    } else {
+                        node.setReal(false);
+                    }
+                }
+            }
+
+            /**
+             * Merge a child into its parent node. Operation only valid if it is
+             * only child of the parent node and parent node is not a real node.
+             *
+             * @param parent The parent Node
+             * @param child The child Node
+             */
+            private void mergeNodes(Node<T> parent,
+                                    Node<T> child) {
+                parent.setKey(parent.getKey() + child.getKey());
+                parent.setReal(child.isReal());
+                parent.setValue(child.getValue());
+                parent.setChildren(child.getChildren());
+            }
+        };
+        visit(key, visitor);
+        if (visitor.getResult()) {
+            size--;
+        }
+        return visitor.getResult();
+    }
+
+    @Override
+    public void insert(String key, T value) throws DuplicateKeyException {
+        insert(key, root, value);
+        size++;
+    }
+
+    /**
+     * Recursively insert the key in the radix tree.
+     *
+     * @param key   The key to be inserted
+     * @param node  The current node
+     * @param value The value associated with the key
+     * @throws DuplicateKeyException If the key already exists in the database.
+     */
+    private void insert(String key, Node<T> node, T value)
+            throws DuplicateKeyException {
+        int numberOfMatchingCharacters = node.getNumberOfMatchingCharacters(key);
+        if (node.getKey().equals("") || numberOfMatchingCharacters == 0 ||
+                (numberOfMatchingCharacters < key.length() && numberOfMatchingCharacters >= node.getKey().length())) {
+            boolean flag = false;
+            String newText = key.substring(numberOfMatchingCharacters);
+            for (Node<T> child : node.getChildren()) {
+                if (child.getKey().startsWith(newText.charAt(0) + "")) {
+                    flag = true;
+                    insert(newText, child, value);
+                    break;
+                }
+            }
+            if (!flag) {
+                Node<T> n = new Node<>();
+                n.setKey(newText);
+                n.setReal(true);
+                n.setValue(value);
+                node.getChildren().add(n);
+            }
+        } else if (numberOfMatchingCharacters == key.length() && numberOfMatchingCharacters == node.getKey().length()) {
+            if (node.isReal()) {
+                throw new DuplicateKeyException("Duplicate key");
+            }
+            node.setReal(true);
+            node.setValue(value);
+        }
+        else if (numberOfMatchingCharacters > 0 && numberOfMatchingCharacters < node.getKey().length()) {
+            Node<T> n1 = new Node<>();
+            n1.setKey(node.getKey().substring(numberOfMatchingCharacters));
+            n1.setReal(node.isReal());
+            n1.setValue(node.getValue());
+            n1.setChildren(node.getChildren());
+            node.setKey(key.substring(0, numberOfMatchingCharacters));
+            node.setReal(false);
+            node.setChildren(new ArrayList<>());
+            node.getChildren().add(n1);
+            if (numberOfMatchingCharacters < key.length()) {
+                Node<T> n2 = new Node<>();
+                n2.setKey(key.substring(numberOfMatchingCharacters));
+                n2.setReal(true);
+                n2.setValue(value);
+                node.getChildren().add(n2);
+            } else {
+                node.setValue(value);
+                node.setReal(true);
+            }
+        } else {
+            Node<T> n = new Node<>();
+            n.setKey(node.getKey().substring(numberOfMatchingCharacters));
+            n.setChildren(node.getChildren());
+            n.setReal(node.isReal());
+            n.setValue(node.getValue());
+            node.setKey(key);
+            node.setReal(true);
+            node.setValue(value);
+            node.getChildren().add(n);
+        }
+    }
+
+    @Override
+    public List<T> searchPrefix(String key, int recordLimit) {
+        List<T> keys = new ArrayList<>();
+        Node<T> node = searchPefix(key, root);
+        if (node != null) {
+            if (node.isReal()) {
+                keys.add(node.getValue());
+            }
+            getNodes(node, keys, recordLimit);
+        }
+        return keys;
+    }
+
+    private void getNodes(Node<T> parent, List<T> keys, int limit) {
+        Queue<Node<T>> queue = new LinkedList<>(parent.getChildren());
+        while (!queue.isEmpty()) {
+            Node<T> node = queue.remove();
+            if (node.isReal()) {
+                keys.add(node.getValue());
+            }
+            if (keys.size() == limit) {
+                break;
+            }
+            queue.addAll(node.getChildren());
+        }
+    }
+
+    private Node<T> searchPefix(String key, Node<T> node) {
+        Node<T> result = null;
+        int numberOfMatchingCharacters = node.getNumberOfMatchingCharacters(key);
+        if (numberOfMatchingCharacters == key.length() && numberOfMatchingCharacters <= node.getKey().length()) {
+            result = node;
+        } else if (node.getKey().equals("")
+                || (numberOfMatchingCharacters < key.length() && numberOfMatchingCharacters >= node.getKey().length())) {
+            String newText = key.substring(numberOfMatchingCharacters);
+            for (Node<T> child : node.getChildren()) {
+                if (child.getKey().startsWith(newText.charAt(0) + "")) {
+                    result = searchPefix(newText, child);
+                    break;
+                }
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public boolean contains(String key) {
+        Visitor<T, Boolean> visitor = new VisitorImpl<>(Boolean.FALSE) {
+            @Override
+            public void visit(String key, Node<T> parent, Node<T> node) {
+                result = node.isReal();
+            }
+        };
+        visit(key, visitor);
+        return visitor.getResult();
+    }
+
+    /**
+     * visit the node those key matches the given key
+     *
+     * @param key     The key that need to be visited
+     * @param visitor The visitor object
+     */
+    public <R> void visit(String key, Visitor<T, R> visitor) {
+        if (root != null) {
+            visit(key, visitor, null, root);
+        }
+    }
+
+    /**
+     * recursively visit the tree based on the supplied "key". calls the Visitor
+     * for the node those key matches the given prefix
+     *
+     * @param prefix  The key o prefix to search in the tree
+     * @param visitor The Visitor that will be called if a node with "key" as its
+     *                key is found
+     * @param node    The Node from where onward to search
+     */
+    private <R> void visit(String prefix, Visitor<T, R> visitor,
+                           Node<T> parent, Node<T> node) {
+        int numberOfMatchingCharacters = node.getNumberOfMatchingCharacters(prefix);
+        if (numberOfMatchingCharacters == prefix.length() && numberOfMatchingCharacters == node.getKey().length()) {
+            visitor.visit(prefix, parent, node);
+        } else if (node.getKey().equals("")
+                || (numberOfMatchingCharacters < prefix.length() && numberOfMatchingCharacters >= node.getKey().length())) { // OR we need to
+            String newText = prefix.substring(numberOfMatchingCharacters);
+            for (Node<T> child : node.getChildren()) {
+                if (child.getKey().startsWith(newText.charAt(0) + "")) {
+                    visit(newText, visitor, node, child);
+                    break;
+                }
+            }
+        }
+    }
+
+    @Override
+    public long getSize() {
+        return size;
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/Visitor.java

@@ -0,0 +1,25 @@
+package org.xbib.datastructures.trie.radix;
+
+/**
+ * The visitor interface that is used by {@link RadixTreeImpl} for perfroming
+ * task on a searched node.
+ */
+public interface Visitor<T, R> {
+    /**
+     * This method gets called by {@link RadixTreeImpl#visit(String, Visitor) visit}
+     * when it finds a node matching the key given to it.
+     *
+     * @param key    The key that matched the node
+     * @param parent The parent of the node being visited
+     * @param node   The node that is being visited
+     */
+    void visit(String key, Node<T> parent, Node<T> node);
+
+    /**
+     * The visitor can store any type of result object, depending on the context of
+     * what it is being used for.
+     *
+     * @return The result captured by the visitor.
+     */
+    R getResult();
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/VisitorImpl.java

@@ -0,0 +1,23 @@
+package org.xbib.datastructures.trie.radix;
+
+/**
+ * A simple standard implementation for a {@link Visitor}.
+ */
+public abstract class VisitorImpl<T, R> implements Visitor<T, R> {
+
+    protected R result;
+
+    public VisitorImpl() {
+        this.result = null;
+    }
+
+    public VisitorImpl(R initialValue) {
+        this.result = initialValue;
+    }
+
+    public R getResult() {
+        return result;
+    }
+
+    abstract public void visit(String key, Node<T> parent, Node<T> node);
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/pruning/Node.java

@@ -0,0 +1,43 @@
+package org.xbib.datastructures.trie.radix.pruning;
+
+import java.util.List;
+
+public class Node
+{
+    private List<NodeChild> children;
+
+    //Does this node represent the last character in a word? 
+    //0: no word; >0: is word (termFrequencyCount)
+    private long termFrequencyCount;
+
+	private long termFrequencyCountChildMax;
+
+    public Node(long termfrequencyCount)
+    {
+        this.termFrequencyCount = termfrequencyCount;
+    }
+
+	public List<NodeChild> getChildren() {
+		return children;
+	}
+
+	public void setChildren(List<NodeChild> children) {
+		this.children = children;
+	}
+
+	public long getTermFrequencyCount() {
+		return termFrequencyCount;
+	}
+
+	public void setTermFrequencyCount(long termFrequencyCount) {
+		this.termFrequencyCount = termFrequencyCount;
+	}
+
+	public long getTermFrequencyCountChildMax() {
+		return termFrequencyCountChildMax;
+	}
+
+	public void setTermFrequencyCountChildMax(long termFrequencyCountChildMax) {
+		this.termFrequencyCountChildMax = termFrequencyCountChildMax;
+	}
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/pruning/NodeChild.java

@@ -0,0 +1,34 @@
+package org.xbib.datastructures.trie.radix.pruning;
+
+public class NodeChild {
+	private String key;
+	
+	private Node node;
+
+	public String getKey() {
+		return key;
+	}
+
+	public void setKey(String key) {
+		this.key = key;
+	}
+
+	public Node getNode() {
+		return node;
+	}
+
+	public void setNode(Node node) {
+		this.node = node;
+	}
+
+	@Override
+	public String toString() {
+		return "NodeChild [key=" + key + ", node=" + node + "]";
+	}
+
+	public NodeChild(String key, Node node) {
+		super();
+		this.key = key;
+		this.node = node;
+	}
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/pruning/PruningRadixTrie.java

@@ -0,0 +1,204 @@
+package org.xbib.datastructures.trie.radix.pruning;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class PruningRadixTrie {
+	
+    public long termCount = 0;
+
+    private final Node trie;
+
+    public PruningRadixTrie() {
+        this.trie = new Node(0);
+    }
+
+    public void addTerm(String term, long termFrequencyCount) {
+        List<Node> nodeList = new ArrayList<>();
+        addTerm(trie, term, termFrequencyCount, 0, 0, nodeList);
+    }
+
+    public void updateMaxCounts(List<Node> nodeList, long termFrequencyCount) {
+    	for (Node node : nodeList) {
+    		if (termFrequencyCount > node.getTermFrequencyCountChildMax()) {
+    			node.setTermFrequencyCountChildMax(termFrequencyCount);
+    		}
+    	}
+    }
+
+    public void addTerm(Node curr, String term, long termFrequencyCount, int id, int level, List<Node> nodeList)
+    {
+        try {
+            nodeList.add(curr);
+            int common = 0;
+            List<NodeChild> currChildren = curr.getChildren();
+            if (currChildren != null) { 
+                for (int j = 0; j < currChildren.size(); j++) {
+                    String key = currChildren.get(j).getKey();
+                    Node node = currChildren.get(j).getNode();
+
+                    for (int i = 0; i < Math.min(term.length(), key.length()); i++) {
+                    	if (term.charAt(i) == key.charAt(i)) common = i + 1;
+                    	else break;
+                    }
+
+                    if (common > 0) {
+                        //term already existed
+                        //existing ab
+                        //new      ab
+                        if ((common == term.length()) && (common == key.length())) {
+                            if (node.getTermFrequencyCount() == 0) termCount++;
+                            node.setTermFrequencyCount(node.getTermFrequencyCount() + termFrequencyCount);
+                            updateMaxCounts(nodeList, node.getTermFrequencyCount());
+                        }
+                        //new is subkey
+                        //existing abcd
+                        //new      ab
+                        //if new is shorter (== common), then node(count) and only 1. children add (clause2)
+                        else if (common == term.length()) {
+                            //insert second part of oldKey as child 
+                            Node child = new Node(termFrequencyCount);
+                            List<NodeChild> l = new ArrayList<>();
+                            l.add(new NodeChild(key.substring(common), node));
+                            child.setChildren(l);
+                            
+                            child.setTermFrequencyCountChildMax( 
+                            		Math.max(node.getTermFrequencyCountChildMax(), node.getTermFrequencyCount()));
+                            updateMaxCounts(nodeList, termFrequencyCount);
+
+                            //insert first part as key, overwrite old node
+                            currChildren.set(j, new NodeChild(term.substring(0, common), child));
+                            //sort children descending by termFrequencyCountChildMax to start lookup with most promising branch
+                            Collections.sort(currChildren, Comparator.comparing(
+                            		(NodeChild e) -> e.getNode().getTermFrequencyCountChildMax()).reversed());
+                            //increment termcount by 1
+                            termCount++;
+                        }
+                        //if oldkey shorter (==common), then recursive addTerm (clause1)
+                        //existing: te
+                        //new:      test
+                        else if (common == key.length()) {
+                            addTerm(node, term.substring(common), termFrequencyCount, id, level + 1, nodeList);
+                        }
+                        //old and new have common substrings
+                        //existing: test
+                        //new:      team
+                        else {
+                            //insert second part of oldKey and of s as child 
+                            Node child = new Node(0);//count
+                            List<NodeChild> l = new ArrayList<>();
+                            l.add(new NodeChild(key.substring(common), node));
+                            l.add(new NodeChild(term.substring(common), new Node(termFrequencyCount)));
+                            child.setChildren(l);
+
+                            child.setTermFrequencyCountChildMax(
+                            		Math.max(node.getTermFrequencyCountChildMax(), Math.max(termFrequencyCount, node.getTermFrequencyCount())));
+                            updateMaxCounts(nodeList, termFrequencyCount);
+                            
+                            //insert first part as key, overwrite old node
+                            currChildren.set(j, new NodeChild(term.substring(0, common), child));
+                            //sort children descending by termFrequencyCountChildMax to start lookup with most promising branch
+                            Collections.sort(currChildren, Comparator.comparing(
+                            		(NodeChild e) -> e.getNode().getTermFrequencyCountChildMax()).reversed());
+                            //increment termcount by 1
+                            termCount++;
+                        }
+                        return;
+                    }
+                }
+            }
+
+            // initialize dictionary if first key is inserted 
+            if (currChildren == null) {
+                List<NodeChild> l = new ArrayList<>();
+                l.add(new NodeChild(term, new Node(termFrequencyCount)));
+                curr.setChildren(l);
+            }
+            else {
+            	currChildren.add(new NodeChild(term, new Node(termFrequencyCount)));
+                //sort children descending by termFrequencyCountChildMax to start lookup with most promising branch
+                currChildren.sort(Comparator.comparing(
+                        (NodeChild e) -> e.getNode().getTermFrequencyCountChildMax()).reversed());
+            }
+            termCount++;
+            updateMaxCounts(nodeList, termFrequencyCount);
+        } catch (Exception e) { System.out.println("exception: " + term + " " + e.getMessage()); }
+    }
+
+    public void findAllChildTerms(String prefix, int topK, String prefixString, List<TermAndFrequency> results, Boolean pruning) {
+        findAllChildTerms(prefix, trie, topK, prefixString, results, pruning);
+    }
+
+    public void findAllChildTerms(String prefix, Node curr, int topK, String prefixString, List<TermAndFrequency> results, Boolean pruning)
+    {
+        try {
+            //pruning/early termination in radix trie lookup
+            if (pruning && (topK > 0) && (results.size() == topK) && 
+            		(curr.getTermFrequencyCountChildMax() <= results.get(topK - 1).getTermFrequencyCount())) { 
+            	return;
+            }
+
+            //test for common prefix (with possibly different suffix)
+            boolean noPrefix = prefix.equals("");
+
+            if (curr.getChildren() != null) {
+                for (NodeChild nodeChild : curr.getChildren()) {
+                	String key = nodeChild.getKey();
+                	Node node = nodeChild.getNode();
+                    //pruning/early termination in radix trie lookup
+                    if (pruning && (topK > 0) && (results.size() == topK) &&
+                    		(node.getTermFrequencyCount() <= results.get(topK - 1).getTermFrequencyCount()) && 
+                    		(node.getTermFrequencyCountChildMax() <= results.get(topK - 1).getTermFrequencyCount())) {
+                        if (!noPrefix) break; 
+                        else continue;
+                    }                     
+
+                    if (noPrefix || key.startsWith(prefix)) {
+                        if (node.getTermFrequencyCount() > 0) {
+                            	if (topK > 0) addTopKSuggestion(prefixString + key, node.getTermFrequencyCount(), topK, results);
+                            	else results.add(new TermAndFrequency(prefixString + key, node.getTermFrequencyCount()));  
+                        }
+
+                        if ((node.getChildren() != null) && (node.getChildren().size() > 0)) { 
+                        	findAllChildTerms("", node, topK, prefixString + key, results, pruning);
+                        }
+                        if (!noPrefix) break;
+                    } else if (prefix.startsWith(key)) {
+                        if ((node.getChildren() != null) && (node.getChildren().size() > 0)) {
+                        	findAllChildTerms(prefix.substring(key.length()), node, topK, prefixString + key, results, pruning);
+                        }
+                        break;
+                    }
+                }
+            }
+        } catch (Exception e) { System.out.println("exception: " + prefix + " " + e.getMessage()); }
+    }
+    
+    public List<TermAndFrequency> getTopkTermsForPrefix(String prefix, int topK) {
+    	return getTopkTermsForPrefix(prefix, topK, true);
+    }
+    
+    public List<TermAndFrequency> getTopkTermsForPrefix(String prefix, int topK, Boolean pruning) {
+        List<TermAndFrequency> results = new ArrayList<>();
+        findAllChildTerms(prefix, topK, "", results, pruning);
+        return results;
+    }
+
+    public void addTopKSuggestion(String term, long termFrequencyCount, int topK, List<TermAndFrequency> results) 
+    {
+        //at the end/highest index is the lowest value
+        // >  : old take precedence for equal rank   
+        // >= : new take precedence for equal rank 
+        if ((results.size() < topK) || (termFrequencyCount >= results.get(topK - 1).getTermFrequencyCount())) {
+        	TermAndFrequency termAndFrequency = new TermAndFrequency(term, termFrequencyCount);
+        	int index = Collections.binarySearch(results, termAndFrequency, Comparator.comparing(
+                    TermAndFrequency::getTermFrequencyCount).reversed()); // descending order
+            if (index < 0) results.add(~index, termAndFrequency); 
+            else results.add(index, termAndFrequency); 
+
+            if (results.size() > topK) results.remove(topK);
+        }
+    }
+}

datastructures-trie/src/main/java/org/xbib/datastructures/trie/radix/pruning/TermAndFrequency.java

@@ -0,0 +1,56 @@
+package org.xbib.datastructures.trie.radix.pruning;
+
+public class TermAndFrequency {
+	private String term;
+	private long termFrequencyCount;
+	
+	public String getTerm() {
+		return term;
+	}
+	public void setTerm(String term) {
+		this.term = term;
+	}
+	public long getTermFrequencyCount() {
+		return termFrequencyCount;
+	}
+	public void setTermFrequencyCount(long termFrequencyCount) {
+		this.termFrequencyCount = termFrequencyCount;
+	}
+	@Override
+	public String toString() {
+		return "TermAndFrequency [term=" + term + ", termFrequencyCount=" + termFrequencyCount + "]";
+	}
+	public TermAndFrequency(String term, long termFrequencyCount) {
+		super();
+		this.term = term;
+		this.termFrequencyCount = termFrequencyCount;
+	}
+	
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((term == null) ? 0 : term.hashCode());
+		result = prime * result + (int) (termFrequencyCount ^ (termFrequencyCount >>> 32));
+		return result;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		TermAndFrequency other = (TermAndFrequency) obj;
+		if (term == null) {
+			if (other.term != null)
+				return false;
+		} else if (!term.equals(other.term))
+			return false;
+		if (termFrequencyCount != other.termFrequencyCount)
+			return false;
+		return true;
+	}
+}

datastructures-trie/src/test/java/org/xbib/datastructures/trie/TrieTest.java

@@ -0,0 +1,57 @@
+package org.xbib.datastructures.trie;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+public class TrieTest {
+
+    @Test
+    public void testEmptyTrie() {
+        Trie<Integer> trie = new TrieImpl<>();
+        Integer result = trie.search("Value");
+        assertNull(result);
+    }
+
+    @Test
+    public void testEmptyKey() {
+        Trie<Integer> trie = new TrieImpl<>();
+        trie.add("", 100);
+        Integer result = trie.search("");
+        assertEquals(result, (Integer) 100);
+        trie.add("", 200);
+        result = trie.search("");
+        assertEquals(result, (Integer) 200);
+    }
+
+    @Test
+    public void testSingletonTrie() {
+        Trie<String> trie = new TrieImpl<>();
+        trie.add("key", "value");
+        String result = trie.search("key");
+        assertNotEquals(result, "key");
+    }
+
+    @Test
+    public void testLargeInsertionAndSearch() {
+        Trie<Long> trie = new TrieImpl<>();
+        List<String> keys = new ArrayList<>();
+        for (int i = 0; i < 10000; i++) {
+            Random random = new Random();
+            Long value = random.nextLong();
+            String key = value.toString();
+            trie.add(key, value);
+            keys.add(key);
+        }
+        for (String key : keys) {
+            Long value = trie.search(key);
+            assertEquals(key, value.toString());
+        }
+    }
+}

datastructures-trie/src/test/java/org/xbib/datastructures/trie/patricia/CharacterKeyAnalyzer.java

@@ -0,0 +1,83 @@
+package org.xbib.datastructures.trie.patricia;
+
+/**
+ * A {@link KeyAnalyzer} for {@link Character}s.
+ */
+public class CharacterKeyAnalyzer extends AbstractKeyAnalyzer<Character> {
+
+    /**
+     * A {@link CharacterKeyAnalyzer} that uses all bits (16) of a {@code char}.
+     */
+    public static final CharacterKeyAnalyzer CHAR = new CharacterKeyAnalyzer(Character.SIZE);
+
+    /**
+     * A {@link CharacterKeyAnalyzer} that uses only the lower 8bits of a {@code char}.
+     */
+    public static final CharacterKeyAnalyzer BYTE = new CharacterKeyAnalyzer(Byte.SIZE);
+
+    public static final CharacterKeyAnalyzer INSTANCE = CHAR;
+
+    private final int size;
+
+    private final int msb;
+
+    private CharacterKeyAnalyzer(int size) {
+        this(size, 1 << size - 1);
+    }
+
+    private CharacterKeyAnalyzer(int size, int msb) {
+        this.size = size;
+        this.msb = msb;
+    }
+
+    /**
+     * Returns a bit mask where the given bit is set
+     */
+    private int mask(int bit) {
+        return msb >>> bit;
+    }
+
+    private char valueOf(Character ch) {
+        char value = ch;
+        if (size == Byte.SIZE) {
+            value &= 0xFF;
+        }
+        return value;
+    }
+
+    @Override
+    public int lengthInBits(Character key) {
+        return size;
+    }
+
+    @Override
+    public boolean isBitSet(Character key, int bitIndex) {
+        return (key & mask(bitIndex)) != 0;
+    }
+
+    @Override
+    public int bitIndex(Character key, Character otherKey) {
+        char ch1 = valueOf(key);
+        char ch2 = valueOf(otherKey);
+
+        if (ch1 == 0) {
+            return NULL_BIT_KEY;
+        }
+
+        if (ch1 != ch2) {
+            int xor = ch1 ^ ch2;
+            for (int i = 0; i < size; i++) {
+                if ((xor & mask(i)) != 0) {
+                    return i;
+                }
+            }
+        }
+
+        return KeyAnalyzer.EQUAL_BIT_KEY;
+    }
+
+    @Override
+    public boolean isPrefix(Character key, Character prefix) {
+        return key.equals(prefix);
+    }
+}

datastructures-trie/src/test/java/org/xbib/datastructures/trie/patricia/IntegerKeyAnalyzer.java

@@ -0,0 +1,57 @@
+package org.xbib.datastructures.trie.patricia;
+
+/**
+ * A {@link KeyAnalyzer} for {@link Integer}s.
+ */
+public class IntegerKeyAnalyzer extends AbstractKeyAnalyzer<Integer> {
+
+    public static final IntegerKeyAnalyzer INSTANCE = new IntegerKeyAnalyzer();
+
+    /**
+     * A bit mask where the first bit is 1 and the others are zero
+     */
+    private static final int MSB = 1 << Integer.SIZE - 1;
+
+    /**
+     * Returns a bit mask where the given bit is set
+     */
+    private static int mask(int bit) {
+        return MSB >>> bit;
+    }
+
+    @Override
+    public int lengthInBits(Integer key) {
+        return Integer.SIZE;
+    }
+
+    @Override
+    public boolean isBitSet(Integer key, int bitIndex) {
+        return (key & mask(bitIndex)) != 0;
+    }
+
+    @Override
+    public int bitIndex(Integer key, Integer otherKey) {
+        int keyValue = key.intValue();
+        if (keyValue == 0) {
+            return NULL_BIT_KEY;
+        }
+
+        int otherValue = otherKey.intValue();
+
+        if (keyValue != otherValue) {
+            int xorValue = keyValue ^ otherValue;
+            for (int i = 0; i < Integer.SIZE; i++) {
+                if ((xorValue & mask(i)) != 0) {
+                    return i;
+                }
+            }
+        }
+
+        return KeyAnalyzer.EQUAL_BIT_KEY;
+    }
+
+    @Override
+    public boolean isPrefix(Integer key, Integer prefix) {
+        return key.equals(prefix);
+    }
+}

datastructures-trie/src/test/java/org/xbib/datastructures/trie/patricia/StringKeyAnalyzer.java

@@ -0,0 +1,109 @@
+package org.xbib.datastructures.trie.patricia;
+
+/**
+ * A {@link KeyAnalyzer} for {@link String}s.
+ */
+public class StringKeyAnalyzer extends AbstractKeyAnalyzer<String> {
+
+    /**
+     * A {@link StringKeyAnalyzer} that uses all bits (16) of a {@code char}.
+     */
+    public static final StringKeyAnalyzer CHAR = new StringKeyAnalyzer(Character.SIZE);
+
+    /**
+     * A {@link StringKeyAnalyzer} that uses only the lower 8 bits of each {@code char}.
+     */
+    public static final StringKeyAnalyzer BYTE = new StringKeyAnalyzer(Byte.SIZE);
+
+    public static final StringKeyAnalyzer INSTANCE = CHAR;
+
+    private final int size;
+
+    private final int msb;
+
+    private StringKeyAnalyzer(int size) {
+        this(size, 1 << size - 1);
+    }
+
+    private StringKeyAnalyzer(int size, int msb) {
+        this.size = size;
+        this.msb = msb;
+    }
+
+    /**
+     * Returns a bit mask where the given bit is set
+     */
+    private int mask(int bit) {
+        return msb >>> bit;
+    }
+
+    /**
+     * Returns the {@code char} at the given index.
+     */
+    private char valueAt(String value, int index) {
+        if (index < value.length()) {
+            char ch = value.charAt(index);
+            if (size == Byte.SIZE) {
+                ch &= 0xFF;
+            }
+            return ch;
+        }
+        return 0;
+    }
+
+    @Override
+    public int lengthInBits(String key) {
+        return key.length() * size;
+    }
+
+    @Override
+    public boolean isBitSet(String key, int bitIndex) {
+        if (bitIndex >= lengthInBits(key)) {
+            return false;
+        }
+
+        int index = bitIndex / size;
+        int bit = bitIndex % size;
+
+        return (key.charAt(index) & mask(bit)) != 0;
+    }
+
+    @Override
+    public boolean isPrefix(String key, String prefix) {
+        return key.startsWith(prefix);
+    }
+
+    @Override
+    public int bitIndex(String key, String otherKey) {
+
+        boolean allNull = true;
+        int length = Math.max(key.length(), otherKey.length());
+
+        for (int i = 0; i < length; i++) {
+
+            char ch1 = valueAt(key, i);
+            char ch2 = valueAt(otherKey, i);
+
+            if (ch1 != ch2) {
+                int xor = ch1 ^ ch2;
+                for (int j = 0; j < size; j++) {
+                    if ((xor & mask(j)) != 0) {
+                        return (i * size) + j;
+                    }
+                }
+            }
+
+            if (ch1 != 0) {
+                allNull = false;
+            }
+        }
+
+        // All bits are 0
+        if (allNull) {
+            return KeyAnalyzer.NULL_BIT_KEY;
+        }
+
+        // Both keys are equal
+        return KeyAnalyzer.EQUAL_BIT_KEY;
+    }
+}

datastructures-validation/build.gradle

@@ -0,0 +1,5 @@
+dependencies {
+    api "org.xbib:jsr-305:${project.property('jsr305.version')}"
+    testImplementation "org.assertj:assertj-core:${project.property('assertj.version')}"
+    testImplementation "com.google.testing.compile:compile-testing:${project.property('google-testing.version')}"
+}

datastructures-validation/src/main/java/module-info.java

@@ -0,0 +1,4 @@
+module org.xbib.datastructures.validation {
+    requires org.xbib.annotation;
+    requires java.compiler;
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments.java

@@ -0,0 +1,117 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+public final class Arguments {
+	public static <A1> Arguments1<A1> of(@Nullable A1 arg1) {
+		return new Arguments1<>(arg1);
+	}
+
+	public static <A1, A2> Arguments2<A1, A2> of(@Nullable A1 arg1, @Nullable A2 arg2) {
+		return new Arguments2<>(arg1, arg2);
+	}
+
+	public static <A1, A2, A3> Arguments3<A1, A2, A3> of(@Nullable A1 arg1,
+			@Nullable A2 arg2, @Nullable A3 arg3) {
+		return new Arguments3<>(arg1, arg2, arg3);
+	}
+
+	public static <A1, A2, A3, A4> Arguments4<A1, A2, A3, A4> of(@Nullable A1 arg1,
+			@Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4) {
+		return new Arguments4<>(arg1, arg2, arg3, arg4);
+	}
+
+	public static <A1, A2, A3, A4, A5> Arguments5<A1, A2, A3, A4, A5> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5) {
+		return new Arguments5<>(arg1, arg2, arg3, arg4, arg5);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6> Arguments6<A1, A2, A3, A4, A5, A6> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6) {
+		return new Arguments6<>(arg1, arg2, arg3, arg4, arg5, arg6);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7> Arguments7<A1, A2, A3, A4, A5, A6, A7> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7) {
+		return new Arguments7<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8> Arguments8<A1, A2, A3, A4, A5, A6, A7, A8> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8) {
+		return new Arguments8<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9> Arguments9<A1, A2, A3, A4, A5, A6, A7, A8, A9> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9) {
+		return new Arguments9<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> Arguments10<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10) {
+		return new Arguments10<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> Arguments11<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10, @Nullable A11 arg11) {
+		return new Arguments11<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10, arg11);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> Arguments12<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10, @Nullable A11 arg11,
+			@Nullable A12 arg12) {
+		return new Arguments12<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10, arg11, arg12);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> Arguments13<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10, @Nullable A11 arg11,
+			@Nullable A12 arg12, @Nullable A13 arg13) {
+		return new Arguments13<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10, arg11, arg12, arg13);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> Arguments14<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10, @Nullable A11 arg11,
+			@Nullable A12 arg12, @Nullable A13 arg13, @Nullable A14 arg14) {
+		return new Arguments14<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10, arg11, arg12, arg13, arg14);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> Arguments15<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10, @Nullable A11 arg11,
+			@Nullable A12 arg12, @Nullable A13 arg13, @Nullable A14 arg14,
+			@Nullable A15 arg15) {
+		return new Arguments15<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10, arg11, arg12, arg13, arg14, arg15);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16> Arguments16<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16> of(
+			@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9, @Nullable A10 arg10, @Nullable A11 arg11,
+			@Nullable A12 arg12, @Nullable A13 arg13, @Nullable A14 arg14,
+			@Nullable A15 arg15, @Nullable A16 arg16) {
+		return new Arguments16<>(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9,
+				arg10, arg11, arg12, arg13, arg14, arg15, arg16);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments1.java

@@ -0,0 +1,22 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function1;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+public class Arguments1<A1> {
+
+	protected final A1 arg1;
+
+	Arguments1(@Nullable A1 arg1) {
+		this.arg1 = arg1;
+	}
+
+	@Nullable
+	public final A1 arg1() {
+		return this.arg1;
+	}
+
+	public final <X> X map(Function1<? super A1, ? extends X> mapper) {
+		return mapper.apply(arg1);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments10.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function10;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments10<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>
+		extends Arguments9<A1, A2, A3, A4, A5, A6, A7, A8, A9> {
+
+	protected final A10 arg10;
+
+	Arguments10(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+		this.arg10 = arg10;
+	}
+
+	@Nullable
+	public final A10 arg10() {
+		return this.arg10;
+	}
+
+	public final <X> X map(
+			Function10<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments10Combining.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function10;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments10Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	public Arguments10Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function10<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext));
+	}
+
+	public <R11> Arguments11Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> combine(
+			ValueValidator<? super A, ? extends R11> v11) {
+		return new Arguments11Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments10Splitting.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function10;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments10Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	public Arguments10Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+	}
+
+	public <X> Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, X> apply(
+			Function10<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext));
+	}
+
+	public <A11, R11> Arguments11Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> split(
+			ValueValidator<? super A11, ? extends R11> v11) {
+		return new Arguments11Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments10Validator.java

@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+				constraintContext) -> Arguments10Validator.this.validate(a1, a2, a3, a4,
+						a5, a6, a7, a8, a9, a10, locale, constraintContext).map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+				constraintContext) -> Arguments10Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+								constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments10<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments10<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10> args = mapper
+					.apply(a);
+			return Arguments10Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, Locale.getDefault(),
+				constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+				ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments11.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function11;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments11<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>
+		extends Arguments10<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> {
+
+	protected final A11 arg11;
+
+	Arguments11(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10,
+			@Nullable A11 arg11) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10);
+		this.arg11 = arg11;
+	}
+
+	@Nullable
+	public final A11 arg11() {
+		return this.arg11;
+	}
+
+	public final <X> X map(
+			Function11<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10,
+				arg11);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments11Combining.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function11;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments11Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	protected final ValueValidator<? super A, ? extends R11> v11;
+
+	public Arguments11Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function11<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext),
+				this.v11.validate(a, locale, constraintContext));
+	}
+
+	public <R12> Arguments12Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> combine(
+			ValueValidator<? super A, ? extends R12> v12) {
+		return new Arguments12Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments11Splitting.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function11;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments11Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	protected final ValueValidator<? super A11, ? extends R11> v11;
+
+	public Arguments11Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+	}
+
+	public <X> Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, X> apply(
+			Function11<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext),
+						this.v11.validate(a11, locale, constraintContext));
+	}
+
+	public <A12, R12> Arguments12Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> split(
+			ValueValidator<? super A12, ? extends R12> v12) {
+		return new Arguments12Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments11Validator.java

@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+				constraintContext) -> Arguments11Validator.this.validate(a1, a2, a3, a4,
+						a5, a6, a7, a8, a9, a10, a11, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+				constraintContext) -> Arguments11Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+								constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments11<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments11<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11> args = mapper
+					.apply(a);
+			return Arguments11Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), args.arg11(), locale,
+					constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11,
+				Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11,
+				Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+				ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments12.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function12;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments12<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>
+		extends Arguments11<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> {
+
+	protected final A12 arg12;
+
+	Arguments12(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10,
+			@Nullable A11 arg11, @Nullable A12 arg12) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11);
+		this.arg12 = arg12;
+	}
+
+	@Nullable
+	public final A12 arg12() {
+		return this.arg12;
+	}
+
+	public final <X> X map(
+			Function12<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10,
+				arg11, arg12);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments12Combining.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function12;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments12Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	protected final ValueValidator<? super A, ? extends R11> v11;
+
+	protected final ValueValidator<? super A, ? extends R12> v12;
+
+	public Arguments12Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function12<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext),
+				this.v11.validate(a, locale, constraintContext),
+				this.v12.validate(a, locale, constraintContext));
+	}
+
+	public <R13> Arguments13Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> combine(
+			ValueValidator<? super A, ? extends R13> v13) {
+		return new Arguments13Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments12Splitting.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function12;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments12Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	protected final ValueValidator<? super A11, ? extends R11> v11;
+
+	protected final ValueValidator<? super A12, ? extends R12> v12;
+
+	public Arguments12Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+	}
+
+	public <X> Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, X> apply(
+			Function12<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext),
+						this.v11.validate(a11, locale, constraintContext),
+						this.v12.validate(a12, locale, constraintContext));
+	}
+
+	public <A13, R13> Arguments13Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> split(
+			ValueValidator<? super A13, ? extends R13> v13) {
+		return new Arguments13Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments12Validator.java

@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale,
+				constraintContext) -> Arguments12Validator.this.validate(a1, a2, a3, a4,
+						a5, a6, a7, a8, a9, a10, a11, a12, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale,
+				constraintContext) -> Arguments12Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12,
+								locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments12<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments12<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12> args = mapper
+					.apply(a);
+			return Arguments12Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), args.arg11(), args.arg12(),
+					locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12,
+				Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12,
+				Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale,
+				ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments13.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function13;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments13<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>
+		extends Arguments12<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> {
+
+	protected final A13 arg13;
+
+	Arguments13(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10,
+			@Nullable A11 arg11, @Nullable A12 arg12, @Nullable A13 arg13) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
+		this.arg13 = arg13;
+	}
+
+	@Nullable
+	public final A13 arg13() {
+		return this.arg13;
+	}
+
+	public final <X> X map(
+			Function13<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10,
+				arg11, arg12, arg13);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments13Combining.java

@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function13;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments13Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	protected final ValueValidator<? super A, ? extends R11> v11;
+
+	protected final ValueValidator<? super A, ? extends R12> v12;
+
+	protected final ValueValidator<? super A, ? extends R13> v13;
+
+	public Arguments13Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function13<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext),
+				this.v11.validate(a, locale, constraintContext),
+				this.v12.validate(a, locale, constraintContext),
+				this.v13.validate(a, locale, constraintContext));
+	}
+
+	public <R14> Arguments14Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> combine(
+			ValueValidator<? super A, ? extends R14> v14) {
+		return new Arguments14Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments13Splitting.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function13;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments13Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	protected final ValueValidator<? super A11, ? extends R11> v11;
+
+	protected final ValueValidator<? super A12, ? extends R12> v12;
+
+	protected final ValueValidator<? super A13, ? extends R13> v13;
+
+	public Arguments13Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+	}
+
+	public <X> Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, X> apply(
+			Function13<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext),
+						this.v11.validate(a11, locale, constraintContext),
+						this.v12.validate(a12, locale, constraintContext),
+						this.v13.validate(a13, locale, constraintContext));
+	}
+
+	public <A14, R14> Arguments14Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> split(
+			ValueValidator<? super A14, ? extends R14> v14) {
+		return new Arguments14Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments13Validator.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, locale,
+				constraintContext) -> Arguments13Validator.this.validate(a1, a2, a3, a4,
+						a5, a6, a7, a8, a9, a10, a11, a12, a13, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, locale,
+				constraintContext) -> Arguments13Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments13<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments13<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13> args = mapper
+					.apply(a);
+			return Arguments13Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), args.arg11(), args.arg12(),
+					args.arg13(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+				Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+				Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+				locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, Locale locale)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, locale,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments14.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function14;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments14<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>
+		extends Arguments13<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> {
+
+	protected final A14 arg14;
+
+	Arguments14(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10,
+			@Nullable A11 arg11, @Nullable A12 arg12, @Nullable A13 arg13,
+			@Nullable A14 arg14) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12,
+				arg13);
+		this.arg14 = arg14;
+	}
+
+	@Nullable
+	public final A14 arg14() {
+		return this.arg14;
+	}
+
+	public final <X> X map(
+			Function14<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10,
+				arg11, arg12, arg13, arg14);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments14Combining.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function14;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments14Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	protected final ValueValidator<? super A, ? extends R11> v11;
+
+	protected final ValueValidator<? super A, ? extends R12> v12;
+
+	protected final ValueValidator<? super A, ? extends R13> v13;
+
+	protected final ValueValidator<? super A, ? extends R14> v14;
+
+	public Arguments14Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13,
+			ValueValidator<? super A, ? extends R14> v14) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+		this.v14 = v14;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function14<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? super R14, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext),
+				this.v11.validate(a, locale, constraintContext),
+				this.v12.validate(a, locale, constraintContext),
+				this.v13.validate(a, locale, constraintContext),
+				this.v14.validate(a, locale, constraintContext));
+	}
+
+	public <R15> Arguments15Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> combine(
+			ValueValidator<? super A, ? extends R15> v15) {
+		return new Arguments15Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments14Splitting.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function14;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments14Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	protected final ValueValidator<? super A11, ? extends R11> v11;
+
+	protected final ValueValidator<? super A12, ? extends R12> v12;
+
+	protected final ValueValidator<? super A13, ? extends R13> v13;
+
+	protected final ValueValidator<? super A14, ? extends R14> v14;
+
+	public Arguments14Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13,
+			ValueValidator<? super A14, ? extends R14> v14) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+		this.v14 = v14;
+	}
+
+	public <X> Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, X> apply(
+			Function14<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? super R14, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext),
+						this.v11.validate(a11, locale, constraintContext),
+						this.v12.validate(a12, locale, constraintContext),
+						this.v13.validate(a13, locale, constraintContext),
+						this.v14.validate(a14, locale, constraintContext));
+	}
+
+	public <A15, R15> Arguments15Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> split(
+			ValueValidator<? super A15, ? extends R15> v15) {
+		return new Arguments15Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments14Validator.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, locale,
+				constraintContext) -> Arguments14Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								a14, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, locale,
+				constraintContext) -> Arguments14Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								a14, locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments14<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13, ? extends A14>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments14<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13, ? extends A14> args = mapper
+					.apply(a);
+			return Arguments14Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), args.arg11(), args.arg12(),
+					args.arg13(), args.arg14(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+						constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				locale).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+						locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments15.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function15;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments15<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>
+		extends Arguments14<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14> {
+
+	protected final A15 arg15;
+
+	Arguments15(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10,
+			@Nullable A11 arg11, @Nullable A12 arg12, @Nullable A13 arg13,
+			@Nullable A14 arg14, @Nullable A15 arg15) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12,
+				arg13, arg14);
+		this.arg15 = arg15;
+	}
+
+	@Nullable
+	public final A15 arg15() {
+		return this.arg15;
+	}
+
+	public final <X> X map(
+			Function15<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? super A15, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10,
+				arg11, arg12, arg13, arg14, arg15);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments15Combining.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function15;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments15Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	protected final ValueValidator<? super A, ? extends R11> v11;
+
+	protected final ValueValidator<? super A, ? extends R12> v12;
+
+	protected final ValueValidator<? super A, ? extends R13> v13;
+
+	protected final ValueValidator<? super A, ? extends R14> v14;
+
+	protected final ValueValidator<? super A, ? extends R15> v15;
+
+	public Arguments15Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13,
+			ValueValidator<? super A, ? extends R14> v14,
+			ValueValidator<? super A, ? extends R15> v15) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+		this.v14 = v14;
+		this.v15 = v15;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function15<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? super R14, ? super R15, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext),
+				this.v11.validate(a, locale, constraintContext),
+				this.v12.validate(a, locale, constraintContext),
+				this.v13.validate(a, locale, constraintContext),
+				this.v14.validate(a, locale, constraintContext),
+				this.v15.validate(a, locale, constraintContext));
+	}
+
+	public <R16> Arguments16Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> combine(
+			ValueValidator<? super A, ? extends R16> v16) {
+		return new Arguments16Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15, v16);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments15Splitting.java

@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function15;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments15Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	protected final ValueValidator<? super A11, ? extends R11> v11;
+
+	protected final ValueValidator<? super A12, ? extends R12> v12;
+
+	protected final ValueValidator<? super A13, ? extends R13> v13;
+
+	protected final ValueValidator<? super A14, ? extends R14> v14;
+
+	protected final ValueValidator<? super A15, ? extends R15> v15;
+
+	public Arguments15Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13,
+			ValueValidator<? super A14, ? extends R14> v14,
+			ValueValidator<? super A15, ? extends R15> v15) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+		this.v14 = v14;
+		this.v15 = v15;
+	}
+
+	public <X> Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, X> apply(
+			Function15<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? super R14, ? super R15, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext),
+						this.v11.validate(a11, locale, constraintContext),
+						this.v12.validate(a12, locale, constraintContext),
+						this.v13.validate(a13, locale, constraintContext),
+						this.v14.validate(a14, locale, constraintContext),
+						this.v15.validate(a15, locale, constraintContext));
+	}
+
+	public <A16, R16> Arguments16Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> split(
+			ValueValidator<? super A16, ? extends R16> v16) {
+		return new Arguments16Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15, v16);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments15Validator.java

@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, locale,
+				constraintContext) -> Arguments15Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								a14, a15, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, locale,
+				constraintContext) -> Arguments15Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								a14, a15, locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments15<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13, ? extends A14, ? extends A15>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments15<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13, ? extends A14, ? extends A15> args = mapper
+					.apply(a);
+			return Arguments15Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), args.arg11(), args.arg12(),
+					args.arg13(), args.arg14(), args.arg15(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+						a15, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, locale).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+						a15, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments16.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function16;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments16<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>
+		extends
+		Arguments15<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15> {
+
+	protected final A16 arg16;
+
+	Arguments16(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4, @Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7,
+			@Nullable A8 arg8, @Nullable A9 arg9, @Nullable A10 arg10,
+			@Nullable A11 arg11, @Nullable A12 arg12, @Nullable A13 arg13,
+			@Nullable A14 arg14, @Nullable A15 arg15, @Nullable A16 arg16) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12,
+				arg13, arg14, arg15);
+		this.arg16 = arg16;
+	}
+
+	@Nullable
+	public final A16 arg16() {
+		return this.arg16;
+	}
+
+	public final <X> X map(
+			Function16<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? super A15, ? super A16, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10,
+				arg11, arg12, arg13, arg14, arg15, arg16);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments16Combining.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function16;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments16Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	protected final ValueValidator<? super A, ? extends R10> v10;
+
+	protected final ValueValidator<? super A, ? extends R11> v11;
+
+	protected final ValueValidator<? super A, ? extends R12> v12;
+
+	protected final ValueValidator<? super A, ? extends R13> v13;
+
+	protected final ValueValidator<? super A, ? extends R14> v14;
+
+	protected final ValueValidator<? super A, ? extends R15> v15;
+
+	protected final ValueValidator<? super A, ? extends R16> v16;
+
+	public Arguments16Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13,
+			ValueValidator<? super A, ? extends R14> v14,
+			ValueValidator<? super A, ? extends R15> v15,
+			ValueValidator<? super A, ? extends R16> v16) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+		this.v14 = v14;
+		this.v15 = v15;
+		this.v16 = v16;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function16<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? super R14, ? super R15, ? super R16, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext),
+				this.v10.validate(a, locale, constraintContext),
+				this.v11.validate(a, locale, constraintContext),
+				this.v12.validate(a, locale, constraintContext),
+				this.v13.validate(a, locale, constraintContext),
+				this.v14.validate(a, locale, constraintContext),
+				this.v15.validate(a, locale, constraintContext),
+				this.v16.validate(a, locale, constraintContext));
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments16Splitting.java

@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function16;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments16Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	protected final ValueValidator<? super A10, ? extends R10> v10;
+
+	protected final ValueValidator<? super A11, ? extends R11> v11;
+
+	protected final ValueValidator<? super A12, ? extends R12> v12;
+
+	protected final ValueValidator<? super A13, ? extends R13> v13;
+
+	protected final ValueValidator<? super A14, ? extends R14> v14;
+
+	protected final ValueValidator<? super A15, ? extends R15> v15;
+
+	protected final ValueValidator<? super A16, ? extends R16> v16;
+
+	public Arguments16Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13,
+			ValueValidator<? super A14, ? extends R14> v14,
+			ValueValidator<? super A15, ? extends R15> v15,
+			ValueValidator<? super A16, ? extends R16> v16) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+		this.v10 = v10;
+		this.v11 = v11;
+		this.v12 = v12;
+		this.v13 = v13;
+		this.v14 = v14;
+		this.v15 = v15;
+		this.v16 = v16;
+	}
+
+	public <X> Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, X> apply(
+			Function16<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? super R10, ? super R11, ? super R12, ? super R13, ? super R14, ? super R15, ? super R16, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16,
+				locale, constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext),
+						this.v10.validate(a10, locale, constraintContext),
+						this.v11.validate(a11, locale, constraintContext),
+						this.v12.validate(a12, locale, constraintContext),
+						this.v13.validate(a13, locale, constraintContext),
+						this.v14.validate(a14, locale, constraintContext),
+						this.v15.validate(a15, locale, constraintContext),
+						this.v16.validate(a16, locale, constraintContext));
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments16Validator.java

@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16, Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16,
+				locale, constraintContext) -> Arguments16Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								a14, a15, a16, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16,
+				locale, constraintContext) -> Arguments16Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13,
+								a14, a15, a16, locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments16<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13, ? extends A14, ? extends A15, ? extends A16>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments16<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9, ? extends A10, ? extends A11, ? extends A12, ? extends A13, ? extends A14, ? extends A15, ? extends A16> args = mapper
+					.apply(a);
+			return Arguments16Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), args.arg10(), args.arg11(), args.arg12(),
+					args.arg13(), args.arg14(), args.arg15(), args.arg16(), locale,
+					constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, a16, Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, a16, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, a16, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, a16).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+						a15, a16, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16, Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+				a15, a16, locale).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, @Nullable A10 a10, @Nullable A11 a11,
+			@Nullable A12 a12, @Nullable A13 a13, @Nullable A14 a14, @Nullable A15 a15,
+			@Nullable A16 a16, Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
+						a15, a16, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments1Validator.java

@@ -0,0 +1,175 @@
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Locale;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validatable;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+@FunctionalInterface
+public interface Arguments1Validator<A1, X> extends ValueValidator<A1, X> {
+
+	/**
+	 * Convert {@link Validatable} instance into {@link Arguments1Validator}
+	 *
+	 * @param validator core validator
+	 * @param <X> target class
+	 * @return arguments1 validator
+	 * @since 0.8.0
+	 */
+	static <X> Arguments1Validator<X, X> from(Validatable<X> validator) {
+		return Arguments1Validator.from(validator.applicative());
+	}
+
+	/**
+	 * Convert {@link ValueValidator} instance into {@link Arguments1Validator}
+	 *
+	 * @param valueValidator value validator
+	 * @param <A1> class of argument1
+	 * @param <X> target class
+	 * @return arguments1 validator
+	 * @since 0.8.0
+	 */
+	static <A1, X> Arguments1Validator<A1, X> from(ValueValidator<A1, X> valueValidator) {
+		return valueValidator::validate;
+	}
+
+	@Override
+	Validated<X> validate(@Nullable A1 a1, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	@Override
+	default <X2> Arguments1Validator<A1, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, locale, constraintContext) -> Arguments1Validator.this
+				.validate(a1, locale, constraintContext).map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	@Override
+	default <X2> Arguments1Validator<A1, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, locale, constraintContext) -> Arguments1Validator.this
+				.validate(a1, locale, constraintContext)
+				.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	@Override
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends A1> mapper) {
+		return (a, locale, constraintContext) -> Arguments1Validator.this
+				.validate(mapper.apply(a), locale, constraintContext);
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments1Validator<A1, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1) {
+		return this.validate(a1, Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, ConstraintContext constraintContext) {
+		return this.validate(a1, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, Locale locale) {
+		return this.validate(a1, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1) throws ConstraintViolationsException {
+		return this.validate(a1).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, locale).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A2, Y> Arguments2Splitting<A1, A2, X, Y> split(
+			ValueValidator<A2, Y> validator) {
+		return new Arguments2Splitting<>(this, validator);
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <Y> Arguments2Combining<A1, X, Y> combine(ValueValidator<A1, Y> validator) {
+		return new Arguments2Combining<>(this, validator);
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	@Override
+	default Arguments1Validator<A1, X> indexed(int index) {
+		return (a1, locale, constraintContext) -> Arguments1Validator.this
+				.validate(a1, locale, constraintContext).indexed(index);
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	default <C extends Collection<X>> Arguments1Validator<Iterable<A1>, C> liftCollection(
+			Supplier<C> factory) {
+		return Arguments1Validator.from(ValueValidator.super.liftCollection(factory));
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	default Arguments1Validator<Iterable<A1>, List<X>> liftList() {
+		return Arguments1Validator.from(ValueValidator.super.liftList());
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	default Arguments1Validator<Iterable<A1>, Set<X>> liftSet() {
+		return Arguments1Validator.from(ValueValidator.super.liftSet());
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	default Arguments1Validator<Optional<A1>, Optional<X>> liftOptional() {
+		return Arguments1Validator.from(ValueValidator.super.liftOptional());
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments2.java

@@ -0,0 +1,23 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function2;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+public class Arguments2<A1, A2> extends Arguments1<A1> {
+
+	protected final A2 arg2;
+
+	Arguments2(@Nullable A1 arg1, @Nullable A2 arg2) {
+		super(arg1);
+		this.arg2 = arg2;
+	}
+
+	@Nullable
+	public final A2 arg2() {
+		return this.arg2;
+	}
+
+	public final <X> X map(Function2<? super A1, ? super A2, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments2Combining.java

@@ -0,0 +1,29 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function2;
+import org.xbib.datastructures.validation.fn.Validations;
+
+public class Arguments2Combining<A, R1, R2> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	public Arguments2Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2) {
+		this.v1 = v1;
+		this.v2 = v2;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function2<? super R1, ? super R2, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext));
+	}
+
+	public <R3> Arguments3Combining<A, R1, R2, R3> combine(
+			ValueValidator<? super A, ? extends R3> v3) {
+		return new Arguments3Combining<>(v1, v2, v3);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments2Splitting.java

@@ -0,0 +1,29 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function2;
+import org.xbib.datastructures.validation.fn.Validations;
+
+public class Arguments2Splitting<A1, A2, R1, R2> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	public Arguments2Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2) {
+		this.v1 = v1;
+		this.v2 = v2;
+	}
+
+	public <X> Arguments2Validator<A1, A2, X> apply(
+			Function2<? super R1, ? super R2, ? extends X> f) {
+		return (a1, a2, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a1, locale, constraintContext),
+				this.v2.validate(a2, locale, constraintContext));
+	}
+
+	public <A3, R3> Arguments3Splitting<A1, A2, A3, R1, R2, R3> split(
+			ValueValidator<? super A3, ? extends R3> v3) {
+		return new Arguments3Splitting<>(v1, v2, v3);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments2Validator.java

@@ -0,0 +1,83 @@
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+@FunctionalInterface
+public interface Arguments2Validator<A1, A2, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, Locale locale,
+			ConstraintContext constraintContext);
+
+	default <X2> Arguments2Validator<A1, A2, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, locale, constraintContext) -> Arguments2Validator.this
+				.validate(a1, a2, locale, constraintContext).map(mapper);
+	}
+
+	default <X2> Arguments2Validator<A1, A2, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, locale, constraintContext) -> Arguments2Validator.this
+				.validate(a1, a2, locale, constraintContext)
+				.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments2<? extends A1, ? extends A2>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments2<? extends A1, ? extends A2> args = mapper.apply(a);
+			return Arguments2Validator.this.validate(args.arg1(), args.arg2(), locale,
+					constraintContext);
+		};
+	}
+
+	default Arguments2Validator<A1, A2, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2) {
+		return this.validate(a1, a2, Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, Locale locale) {
+		return this.validate(a1, a2, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments3.java

@@ -0,0 +1,24 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function3;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+public class Arguments3<A1, A2, A3> extends Arguments2<A1, A2> {
+
+	protected final A3 arg3;
+
+	Arguments3(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3) {
+		super(arg1, arg2);
+		this.arg3 = arg3;
+	}
+
+	@Nullable
+	public final A3 arg3() {
+		return this.arg3;
+	}
+
+	public final <X> X map(
+			Function3<? super A1, ? super A2, ? super A3, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments3Combining.java

@@ -0,0 +1,34 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function3;
+import org.xbib.datastructures.validation.fn.Validations;
+
+public class Arguments3Combining<A, R1, R2, R3> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	public Arguments3Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function3<? super R1, ? super R2, ? super R3, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext));
+	}
+
+	public <R4> Arguments4Combining<A, R1, R2, R3, R4> combine(
+			ValueValidator<? super A, ? extends R4> v4) {
+		return new Arguments4Combining<>(v1, v2, v3, v4);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments3Splitting.java

@@ -0,0 +1,34 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function3;
+import org.xbib.datastructures.validation.fn.Validations;
+
+public class Arguments3Splitting<A1, A2, A3, R1, R2, R3> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	public Arguments3Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+	}
+
+	public <X> Arguments3Validator<A1, A2, A3, X> apply(
+			Function3<? super R1, ? super R2, ? super R3, ? extends X> f) {
+		return (a1, a2, a3, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a1, locale, constraintContext),
+				this.v2.validate(a2, locale, constraintContext),
+				this.v3.validate(a3, locale, constraintContext));
+	}
+
+	public <A4, R4> Arguments4Splitting<A1, A2, A3, A4, R1, R2, R3, R4> split(
+			ValueValidator<? super A4, ? extends R4> v4) {
+		return new Arguments4Splitting<>(v1, v2, v3, v4);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments3Validator.java

@@ -0,0 +1,85 @@
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+@FunctionalInterface
+public interface Arguments3Validator<A1, A2, A3, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			Locale locale, ConstraintContext constraintContext);
+
+	default <X2> Arguments3Validator<A1, A2, A3, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, locale, constraintContext) -> Arguments3Validator.this
+				.validate(a1, a2, a3, locale, constraintContext).map(mapper);
+	}
+
+	default <X2> Arguments3Validator<A1, A2, A3, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, locale, constraintContext) -> Arguments3Validator.this
+				.validate(a1, a2, a3, locale, constraintContext)
+				.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments3<? extends A1, ? extends A2, ? extends A3>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments3<? extends A1, ? extends A2, ? extends A3> args = mapper
+					.apply(a);
+			return Arguments3Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), locale, constraintContext);
+		};
+	}
+
+	default Arguments3Validator<A1, A2, A3, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3) {
+		return this.validate(a1, a2, a3, Locale.getDefault(), ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			Locale locale) {
+		return this.validate(a1, a2, a3, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3).orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments4.java

@@ -0,0 +1,25 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function4;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+public class Arguments4<A1, A2, A3, A4> extends Arguments3<A1, A2, A3> {
+
+	protected final A4 arg4;
+
+	Arguments4(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3,
+			@Nullable A4 arg4) {
+		super(arg1, arg2, arg3);
+		this.arg4 = arg4;
+	}
+
+	@Nullable
+	public final A4 arg4() {
+		return this.arg4;
+	}
+
+	public final <X> X map(
+			Function4<? super A1, ? super A2, ? super A3, ? super A4, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments4Combining.java

@@ -0,0 +1,39 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function4;
+import org.xbib.datastructures.validation.fn.Validations;
+
+public class Arguments4Combining<A, R1, R2, R3, R4> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	public Arguments4Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function4<? super R1, ? super R2, ? super R3, ? super R4, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext));
+	}
+
+	public <R5> Arguments5Combining<A, R1, R2, R3, R4, R5> combine(
+			ValueValidator<? super A, ? extends R5> v5) {
+		return new Arguments5Combining<>(v1, v2, v3, v4, v5);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments4Splitting.java

@@ -0,0 +1,39 @@
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function4;
+import org.xbib.datastructures.validation.fn.Validations;
+
+public class Arguments4Splitting<A1, A2, A3, A4, R1, R2, R3, R4> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	public Arguments4Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+	}
+
+	public <X> Arguments4Validator<A1, A2, A3, A4, X> apply(
+			Function4<? super R1, ? super R2, ? super R3, ? super R4, ? extends X> f) {
+		return (a1, a2, a3, a4, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a1, locale, constraintContext),
+				this.v2.validate(a2, locale, constraintContext),
+				this.v3.validate(a3, locale, constraintContext),
+				this.v4.validate(a4, locale, constraintContext));
+	}
+
+	public <A5, R5> Arguments5Splitting<A1, A2, A3, A4, A5, R1, R2, R3, R4, R5> split(
+			ValueValidator<? super A5, ? extends R5> v5) {
+		return new Arguments5Splitting<>(v1, v2, v3, v4, v5);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments4Validator.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments4Validator<A1, A2, A3, A4, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments4Validator<A1, A2, A3, A4, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, locale, constraintContext) -> Arguments4Validator.this
+				.validate(a1, a2, a3, a4, locale, constraintContext).map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments4Validator<A1, A2, A3, A4, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, locale, constraintContext) -> Arguments4Validator.this
+				.validate(a1, a2, a3, a4, locale, constraintContext)
+				.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments4<? extends A1, ? extends A2, ? extends A3, ? extends A4>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments4<? extends A1, ? extends A2, ? extends A3, ? extends A4> args = mapper
+					.apply(a);
+			return Arguments4Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments4Validator<A1, A2, A3, A4, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4) {
+		return this.validate(a1, a2, a3, a4, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, Locale locale) {
+		return this.validate(a1, a2, a3, a4, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments5.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function5;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments5<A1, A2, A3, A4, A5> extends Arguments4<A1, A2, A3, A4> {
+
+	protected final A5 arg5;
+
+	Arguments5(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5) {
+		super(arg1, arg2, arg3, arg4);
+		this.arg5 = arg5;
+	}
+
+	@Nullable
+	public final A5 arg5() {
+		return this.arg5;
+	}
+
+	public final <X> X map(
+			Function5<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments5Combining.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function5;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments5Combining<A, R1, R2, R3, R4, R5> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	public Arguments5Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function5<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext));
+	}
+
+	public <R6> Arguments6Combining<A, R1, R2, R3, R4, R5, R6> combine(
+			ValueValidator<? super A, ? extends R6> v6) {
+		return new Arguments6Combining<>(v1, v2, v3, v4, v5, v6);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments5Splitting.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function5;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments5Splitting<A1, A2, A3, A4, A5, R1, R2, R3, R4, R5> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	public Arguments5Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+	}
+
+	public <X> Arguments5Validator<A1, A2, A3, A4, A5, X> apply(
+			Function5<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, locale, constraintContext) -> Validations.apply(
+				f::apply, this.v1.validate(a1, locale, constraintContext),
+				this.v2.validate(a2, locale, constraintContext),
+				this.v3.validate(a3, locale, constraintContext),
+				this.v4.validate(a4, locale, constraintContext),
+				this.v5.validate(a5, locale, constraintContext));
+	}
+
+	public <A6, R6> Arguments6Splitting<A1, A2, A3, A4, A5, A6, R1, R2, R3, R4, R5, R6> split(
+			ValueValidator<? super A6, ? extends R6> v6) {
+		return new Arguments6Splitting<>(v1, v2, v3, v4, v5, v6);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments5Validator.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments5Validator<A1, A2, A3, A4, A5, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments5Validator<A1, A2, A3, A4, A5, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, locale, constraintContext) -> Arguments5Validator.this
+				.validate(a1, a2, a3, a4, a5, locale, constraintContext).map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments5Validator<A1, A2, A3, A4, A5, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, locale, constraintContext) -> Arguments5Validator.this
+				.validate(a1, a2, a3, a4, a5, locale, constraintContext)
+				.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments5<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments5<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5> args = mapper
+					.apply(a);
+			return Arguments5Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments5Validator<A1, A2, A3, A4, A5, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5) {
+		return this.validate(a1, a2, a3, a4, a5, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, Locale.getDefault(), constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments6.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function6;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments6<A1, A2, A3, A4, A5, A6> extends Arguments5<A1, A2, A3, A4, A5> {
+
+	protected final A6 arg6;
+
+	Arguments6(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6) {
+		super(arg1, arg2, arg3, arg4, arg5);
+		this.arg6 = arg6;
+	}
+
+	@Nullable
+	public final A6 arg6() {
+		return this.arg6;
+	}
+
+	public final <X> X map(
+			Function6<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments6Combining.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function6;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments6Combining<A, R1, R2, R3, R4, R5, R6> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	public Arguments6Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function6<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext));
+	}
+
+	public <R7> Arguments7Combining<A, R1, R2, R3, R4, R5, R6, R7> combine(
+			ValueValidator<? super A, ? extends R7> v7) {
+		return new Arguments7Combining<>(v1, v2, v3, v4, v5, v6, v7);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments6Splitting.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function6;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments6Splitting<A1, A2, A3, A4, A5, A6, R1, R2, R3, R4, R5, R6> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	public Arguments6Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+	}
+
+	public <X> Arguments6Validator<A1, A2, A3, A4, A5, A6, X> apply(
+			Function6<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, locale, constraintContext) -> Validations.apply(
+				f::apply, this.v1.validate(a1, locale, constraintContext),
+				this.v2.validate(a2, locale, constraintContext),
+				this.v3.validate(a3, locale, constraintContext),
+				this.v4.validate(a4, locale, constraintContext),
+				this.v5.validate(a5, locale, constraintContext),
+				this.v6.validate(a6, locale, constraintContext));
+	}
+
+	public <A7, R7> Arguments7Splitting<A1, A2, A3, A4, A5, A6, A7, R1, R2, R3, R4, R5, R6, R7> split(
+			ValueValidator<? super A7, ? extends R7> v7) {
+		return new Arguments7Splitting<>(v1, v2, v3, v4, v5, v6, v7);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments6Validator.java

@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments6Validator<A1, A2, A3, A4, A5, A6, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments6Validator<A1, A2, A3, A4, A5, A6, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, locale,
+				constraintContext) -> Arguments6Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments6Validator<A1, A2, A3, A4, A5, A6, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, locale,
+				constraintContext) -> Arguments6Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments6<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments6<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6> args = mapper
+					.apply(a);
+			return Arguments6Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), locale,
+					constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments6Validator<A1, A2, A3, A4, A5, A6, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6) {
+		return this.validate(a1, a2, a3, a4, a5, a6, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, Locale.getDefault(),
+				constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments7.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function7;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments7<A1, A2, A3, A4, A5, A6, A7>
+		extends Arguments6<A1, A2, A3, A4, A5, A6> {
+
+	protected final A7 arg7;
+
+	Arguments7(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6);
+		this.arg7 = arg7;
+	}
+
+	@Nullable
+	public final A7 arg7() {
+		return this.arg7;
+	}
+
+	public final <X> X map(
+			Function7<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments7Combining.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function7;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments7Combining<A, R1, R2, R3, R4, R5, R6, R7> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	public Arguments7Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function7<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext));
+	}
+
+	public <R8> Arguments8Combining<A, R1, R2, R3, R4, R5, R6, R7, R8> combine(
+			ValueValidator<? super A, ? extends R8> v8) {
+		return new Arguments8Combining<>(v1, v2, v3, v4, v5, v6, v7, v8);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments7Splitting.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function7;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments7Splitting<A1, A2, A3, A4, A5, A6, A7, R1, R2, R3, R4, R5, R6, R7> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	public Arguments7Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+	}
+
+	public <X> Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, X> apply(
+			Function7<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, locale, constraintContext) -> Validations
+				.apply(f::apply, this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext));
+	}
+
+	public <A8, R8> Arguments8Splitting<A1, A2, A3, A4, A5, A6, A7, A8, R1, R2, R3, R4, R5, R6, R7, R8> split(
+			ValueValidator<? super A8, ? extends R8> v8) {
+		return new Arguments8Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments7Validator.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, locale,
+				constraintContext) -> Arguments7Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, locale, constraintContext)
+						.map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, locale,
+				constraintContext) -> Arguments7Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, locale, constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments7<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments7<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7> args = mapper
+					.apply(a);
+			return Arguments7Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, Locale.getDefault(),
+				constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, locale, ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments8.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function8;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments8<A1, A2, A3, A4, A5, A6, A7, A8>
+		extends Arguments7<A1, A2, A3, A4, A5, A6, A7> {
+
+	protected final A8 arg8;
+
+	Arguments8(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+		this.arg8 = arg8;
+	}
+
+	@Nullable
+	public final A8 arg8() {
+		return this.arg8;
+	}
+
+	public final <X> X map(
+			Function8<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments8Combining.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function8;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments8Combining<A, R1, R2, R3, R4, R5, R6, R7, R8> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	public Arguments8Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function8<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext));
+	}
+
+	public <R9> Arguments9Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9> combine(
+			ValueValidator<? super A, ? extends R9> v9) {
+		return new Arguments9Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments8Splitting.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function8;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments8Splitting<A1, A2, A3, A4, A5, A6, A7, A8, R1, R2, R3, R4, R5, R6, R7, R8> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	public Arguments8Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+	}
+
+	public <X> Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, X> apply(
+			Function8<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, locale, constraintContext) -> Validations
+				.apply(f::apply, this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext));
+	}
+
+	public <A9, R9> Arguments9Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, R1, R2, R3, R4, R5, R6, R7, R8, R9> split(
+			ValueValidator<? super A9, ? extends R9> v9) {
+		return new Arguments9Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments8Validator.java

@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, Locale locale, ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, locale,
+				constraintContext) -> Arguments8Validator.this.validate(a1, a2, a3, a4,
+						a5, a6, a7, a8, locale, constraintContext).map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, locale,
+				constraintContext) -> Arguments8Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, locale,
+								constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments8<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments8<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8> args = mapper
+					.apply(a);
+			return Arguments8Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, Locale.getDefault(),
+				constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, locale,
+				ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, Locale locale) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, Locale locale, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments9.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.fn.Function9;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+public class Arguments9<A1, A2, A3, A4, A5, A6, A7, A8, A9>
+		extends Arguments8<A1, A2, A3, A4, A5, A6, A7, A8> {
+
+	protected final A9 arg9;
+
+	Arguments9(@Nullable A1 arg1, @Nullable A2 arg2, @Nullable A3 arg3, @Nullable A4 arg4,
+			@Nullable A5 arg5, @Nullable A6 arg6, @Nullable A7 arg7, @Nullable A8 arg8,
+			@Nullable A9 arg9) {
+		super(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
+		this.arg9 = arg9;
+	}
+
+	@Nullable
+	public final A9 arg9() {
+		return this.arg9;
+	}
+
+	public final <X> X map(
+			Function9<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? extends X> mapper) {
+		return mapper.apply(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments9Combining.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function9;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments9Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9> {
+	protected final ValueValidator<? super A, ? extends R1> v1;
+
+	protected final ValueValidator<? super A, ? extends R2> v2;
+
+	protected final ValueValidator<? super A, ? extends R3> v3;
+
+	protected final ValueValidator<? super A, ? extends R4> v4;
+
+	protected final ValueValidator<? super A, ? extends R5> v5;
+
+	protected final ValueValidator<? super A, ? extends R6> v6;
+
+	protected final ValueValidator<? super A, ? extends R7> v7;
+
+	protected final ValueValidator<? super A, ? extends R8> v8;
+
+	protected final ValueValidator<? super A, ? extends R9> v9;
+
+	public Arguments9Combining(ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+	}
+
+	public <X> Arguments1Validator<A, X> apply(
+			Function9<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? extends X> f) {
+		return (a, locale, constraintContext) -> Validations.apply(f::apply,
+				this.v1.validate(a, locale, constraintContext),
+				this.v2.validate(a, locale, constraintContext),
+				this.v3.validate(a, locale, constraintContext),
+				this.v4.validate(a, locale, constraintContext),
+				this.v5.validate(a, locale, constraintContext),
+				this.v6.validate(a, locale, constraintContext),
+				this.v7.validate(a, locale, constraintContext),
+				this.v8.validate(a, locale, constraintContext),
+				this.v9.validate(a, locale, constraintContext));
+	}
+
+	public <R10> Arguments10Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> combine(
+			ValueValidator<? super A, ? extends R10> v10) {
+		return new Arguments10Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments9Splitting.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.fn.Function9;
+import org.xbib.datastructures.validation.fn.Validations;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class Arguments9Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, R1, R2, R3, R4, R5, R6, R7, R8, R9> {
+	protected final ValueValidator<? super A1, ? extends R1> v1;
+
+	protected final ValueValidator<? super A2, ? extends R2> v2;
+
+	protected final ValueValidator<? super A3, ? extends R3> v3;
+
+	protected final ValueValidator<? super A4, ? extends R4> v4;
+
+	protected final ValueValidator<? super A5, ? extends R5> v5;
+
+	protected final ValueValidator<? super A6, ? extends R6> v6;
+
+	protected final ValueValidator<? super A7, ? extends R7> v7;
+
+	protected final ValueValidator<? super A8, ? extends R8> v8;
+
+	protected final ValueValidator<? super A9, ? extends R9> v9;
+
+	public Arguments9Splitting(ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9) {
+		this.v1 = v1;
+		this.v2 = v2;
+		this.v3 = v3;
+		this.v4 = v4;
+		this.v5 = v5;
+		this.v6 = v6;
+		this.v7 = v7;
+		this.v8 = v8;
+		this.v9 = v9;
+	}
+
+	public <X> Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, X> apply(
+			Function9<? super R1, ? super R2, ? super R3, ? super R4, ? super R5, ? super R6, ? super R7, ? super R8, ? super R9, ? extends X> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, locale,
+				constraintContext) -> Validations.apply(f::apply,
+						this.v1.validate(a1, locale, constraintContext),
+						this.v2.validate(a2, locale, constraintContext),
+						this.v3.validate(a3, locale, constraintContext),
+						this.v4.validate(a4, locale, constraintContext),
+						this.v5.validate(a5, locale, constraintContext),
+						this.v6.validate(a6, locale, constraintContext),
+						this.v7.validate(a7, locale, constraintContext),
+						this.v8.validate(a8, locale, constraintContext),
+						this.v9.validate(a9, locale, constraintContext));
+	}
+
+	public <A10, R10> Arguments10Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> split(
+			ValueValidator<? super A10, ? extends R10> v10) {
+		return new Arguments10Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10);
+	}
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/Arguments9Validator.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Locale;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.ConstraintContext;
+import org.xbib.datastructures.validation.core.ConstraintGroup;
+import org.xbib.datastructures.validation.core.ConstraintViolationsException;
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+import org.xbib.datastructures.validation.jsr305.Nullable;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.3.0
+ */
+@FunctionalInterface
+public interface Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, X> {
+
+	Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, Locale locale,
+			ConstraintContext constraintContext);
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <X2> Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, X2> andThen(
+			Function<? super X, ? extends X2> mapper) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, locale,
+				constraintContext) -> Arguments9Validator.this.validate(a1, a2, a3, a4,
+						a5, a6, a7, a8, a9, locale, constraintContext).map(mapper);
+	}
+
+	/**
+	 * @since 0.11.0
+	 */
+	default <X2> Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, X2> andThen(
+			ValueValidator<? super X, X2> validator) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, locale,
+				constraintContext) -> Arguments9Validator.this
+						.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, locale,
+								constraintContext)
+						.flatMap(v -> validator.validate(v, locale, constraintContext));
+	}
+
+	/**
+	 * @since 0.7.0
+	 */
+	default <A> Arguments1Validator<A, X> compose(
+			Function<? super A, ? extends Arguments9<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9>> mapper) {
+		return (a, locale, constraintContext) -> {
+			final Arguments9<? extends A1, ? extends A2, ? extends A3, ? extends A4, ? extends A5, ? extends A6, ? extends A7, ? extends A8, ? extends A9> args = mapper
+					.apply(a);
+			return Arguments9Validator.this.validate(args.arg1(), args.arg2(),
+					args.arg3(), args.arg4(), args.arg5(), args.arg6(), args.arg7(),
+					args.arg8(), args.arg9(), locale, constraintContext);
+		};
+	}
+
+	/**
+	 * @since 0.10.0
+	 */
+	default Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, Supplier<X>> lazy() {
+		// WARNING:: The default implementation is not really lazy!
+		return this.andThen(x -> () -> x);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, Locale.getDefault(),
+				ConstraintGroup.DEFAULT);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, ConstraintContext constraintContext) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, Locale.getDefault(),
+				constraintContext);
+	}
+
+	default Validated<X> validate(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, Locale locale) {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, locale,
+				ConstraintGroup.DEFAULT);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9) throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, ConstraintContext constraintContext)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, Locale locale)
+			throws ConstraintViolationsException {
+		return this.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, locale)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+	default X validated(@Nullable A1 a1, @Nullable A2 a2, @Nullable A3 a3,
+			@Nullable A4 a4, @Nullable A5 a5, @Nullable A6 a6, @Nullable A7 a7,
+			@Nullable A8 a8, @Nullable A9 a9, Locale locale,
+			ConstraintContext constraintContext) throws ConstraintViolationsException {
+		return this
+				.validate(a1, a2, a3, a4, a5, a6, a7, a8, a9, locale, constraintContext)
+				.orElseThrow(ConstraintViolationsException::new);
+	}
+
+}

datastructures-validation/src/main/java/org/xbib/datastructures/validation/arguments/ArgumentsValidators.java

@@ -0,0 +1,686 @@
+/*
+ * Copyright (C) 2018-2022 Toshiaki Maki <makingx@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.xbib.datastructures.validation.arguments;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.xbib.datastructures.validation.core.Validated;
+import org.xbib.datastructures.validation.core.ValueValidator;
+
+import static java.util.function.Function.identity;
+
+/**
+ * Generated by https://github.com/making/yavi/blob/develop/scripts/generate-args.sh
+ *
+ * @since 0.7.0
+ */
+public class ArgumentsValidators {
+
+	public static <A1, A2, R1, R2> Arguments2Splitting<A1, A2, R1, R2> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2) {
+		return new Arguments2Splitting<>(v1, v2);
+	}
+
+	public static <A1, A2, A3, R1, R2, R3> Arguments3Splitting<A1, A2, A3, R1, R2, R3> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3) {
+		return new Arguments3Splitting<>(v1, v2, v3);
+	}
+
+	public static <A1, A2, A3, A4, R1, R2, R3, R4> Arguments4Splitting<A1, A2, A3, A4, R1, R2, R3, R4> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4) {
+		return new Arguments4Splitting<>(v1, v2, v3, v4);
+	}
+
+	public static <A1, A2, A3, A4, A5, R1, R2, R3, R4, R5> Arguments5Splitting<A1, A2, A3, A4, A5, R1, R2, R3, R4, R5> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5) {
+		return new Arguments5Splitting<>(v1, v2, v3, v4, v5);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, R1, R2, R3, R4, R5, R6> Arguments6Splitting<A1, A2, A3, A4, A5, A6, R1, R2, R3, R4, R5, R6> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6) {
+		return new Arguments6Splitting<>(v1, v2, v3, v4, v5, v6);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, R1, R2, R3, R4, R5, R6, R7> Arguments7Splitting<A1, A2, A3, A4, A5, A6, A7, R1, R2, R3, R4, R5, R6, R7> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7) {
+		return new Arguments7Splitting<>(v1, v2, v3, v4, v5, v6, v7);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, R1, R2, R3, R4, R5, R6, R7, R8> Arguments8Splitting<A1, A2, A3, A4, A5, A6, A7, A8, R1, R2, R3, R4, R5, R6, R7, R8> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8) {
+		return new Arguments8Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, R1, R2, R3, R4, R5, R6, R7, R8, R9> Arguments9Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, R1, R2, R3, R4, R5, R6, R7, R8, R9> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9) {
+		return new Arguments9Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> Arguments10Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10) {
+		return new Arguments10Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> Arguments11Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11) {
+		return new Arguments11Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> Arguments12Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12) {
+		return new Arguments12Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> Arguments13Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13) {
+		return new Arguments13Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> Arguments14Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13,
+			ValueValidator<? super A14, ? extends R14> v14) {
+		return new Arguments14Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> Arguments15Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13,
+			ValueValidator<? super A14, ? extends R14> v14,
+			ValueValidator<? super A15, ? extends R15> v15) {
+		return new Arguments15Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15);
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> Arguments16Splitting<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> split(
+			ValueValidator<? super A1, ? extends R1> v1,
+			ValueValidator<? super A2, ? extends R2> v2,
+			ValueValidator<? super A3, ? extends R3> v3,
+			ValueValidator<? super A4, ? extends R4> v4,
+			ValueValidator<? super A5, ? extends R5> v5,
+			ValueValidator<? super A6, ? extends R6> v6,
+			ValueValidator<? super A7, ? extends R7> v7,
+			ValueValidator<? super A8, ? extends R8> v8,
+			ValueValidator<? super A9, ? extends R9> v9,
+			ValueValidator<? super A10, ? extends R10> v10,
+			ValueValidator<? super A11, ? extends R11> v11,
+			ValueValidator<? super A12, ? extends R12> v12,
+			ValueValidator<? super A13, ? extends R13> v13,
+			ValueValidator<? super A14, ? extends R14> v14,
+			ValueValidator<? super A15, ? extends R15> v15,
+			ValueValidator<? super A16, ? extends R16> v16) {
+		return new Arguments16Splitting<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15, v16);
+	}
+
+	public static <A, R1, R2> Arguments2Combining<A, R1, R2> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2) {
+		return new Arguments2Combining<>(v1, v2);
+	}
+
+	public static <A, R1, R2, R3> Arguments3Combining<A, R1, R2, R3> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3) {
+		return new Arguments3Combining<>(v1, v2, v3);
+	}
+
+	public static <A, R1, R2, R3, R4> Arguments4Combining<A, R1, R2, R3, R4> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4) {
+		return new Arguments4Combining<>(v1, v2, v3, v4);
+	}
+
+	public static <A, R1, R2, R3, R4, R5> Arguments5Combining<A, R1, R2, R3, R4, R5> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5) {
+		return new Arguments5Combining<>(v1, v2, v3, v4, v5);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6> Arguments6Combining<A, R1, R2, R3, R4, R5, R6> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6) {
+		return new Arguments6Combining<>(v1, v2, v3, v4, v5, v6);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7> Arguments7Combining<A, R1, R2, R3, R4, R5, R6, R7> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7) {
+		return new Arguments7Combining<>(v1, v2, v3, v4, v5, v6, v7);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8> Arguments8Combining<A, R1, R2, R3, R4, R5, R6, R7, R8> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8) {
+		return new Arguments8Combining<>(v1, v2, v3, v4, v5, v6, v7, v8);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9> Arguments9Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9) {
+		return new Arguments9Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> Arguments10Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10) {
+		return new Arguments10Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> Arguments11Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11) {
+		return new Arguments11Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> Arguments12Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12) {
+		return new Arguments12Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> Arguments13Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13) {
+		return new Arguments13Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> Arguments14Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13,
+			ValueValidator<? super A, ? extends R14> v14) {
+		return new Arguments14Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> Arguments15Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13,
+			ValueValidator<? super A, ? extends R14> v14,
+			ValueValidator<? super A, ? extends R15> v15) {
+		return new Arguments15Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15);
+	}
+
+	public static <A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> Arguments16Combining<A, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16> combine(
+			ValueValidator<? super A, ? extends R1> v1,
+			ValueValidator<? super A, ? extends R2> v2,
+			ValueValidator<? super A, ? extends R3> v3,
+			ValueValidator<? super A, ? extends R4> v4,
+			ValueValidator<? super A, ? extends R5> v5,
+			ValueValidator<? super A, ? extends R6> v6,
+			ValueValidator<? super A, ? extends R7> v7,
+			ValueValidator<? super A, ? extends R8> v8,
+			ValueValidator<? super A, ? extends R9> v9,
+			ValueValidator<? super A, ? extends R10> v10,
+			ValueValidator<? super A, ? extends R11> v11,
+			ValueValidator<? super A, ? extends R12> v12,
+			ValueValidator<? super A, ? extends R13> v13,
+			ValueValidator<? super A, ? extends R14> v14,
+			ValueValidator<? super A, ? extends R15> v15,
+			ValueValidator<? super A, ? extends R16> v16) {
+		return new Arguments16Combining<>(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11,
+				v12, v13, v14, v15, v16);
+	}
+
+	public static <A1, R, T> Arguments1Validator<A1, List<R>> traverse1(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments1Validator<? super A1, ? extends R>> f) {
+		return (a1, locale, constraintContext) -> Validated.traverse(values, f
+				.andThen(validator -> validator.validate(a1, locale, constraintContext)));
+	}
+
+	public static <A1, A2, R, T> Arguments2Validator<A1, A2, List<R>> traverse2(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments2Validator<? super A1, ? super A2, ? extends R>> f) {
+		return (a1, a2, locale, constraintContext) -> Validated.traverse(values,
+				f.andThen(validator -> validator.validate(a1, a2, locale,
+						constraintContext)));
+	}
+
+	public static <A1, A2, A3, R, T> Arguments3Validator<A1, A2, A3, List<R>> traverse3(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments3Validator<? super A1, ? super A2, ? super A3, ? extends R>> f) {
+		return (a1, a2, a3, locale, constraintContext) -> Validated.traverse(values,
+				f.andThen(validator -> validator.validate(a1, a2, a3, locale,
+						constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, R, T> Arguments4Validator<A1, A2, A3, A4, List<R>> traverse4(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments4Validator<? super A1, ? super A2, ? super A3, ? super A4, ? extends R>> f) {
+		return (a1, a2, a3, a4, locale, constraintContext) -> Validated.traverse(values,
+				f.andThen(validator -> validator.validate(a1, a2, a3, a4, locale,
+						constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, R, T> Arguments5Validator<A1, A2, A3, A4, A5, List<R>> traverse5(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments5Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, locale, constraintContext) -> Validated
+				.traverse(values, f.andThen(validator -> validator.validate(a1, a2, a3,
+						a4, a5, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, R, T> Arguments6Validator<A1, A2, A3, A4, A5, A6, List<R>> traverse6(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments6Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, locale, constraintContext) -> Validated
+				.traverse(values, f.andThen(validator -> validator.validate(a1, a2, a3,
+						a4, a5, a6, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, R, T> Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, List<R>> traverse7(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments7Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, locale, constraintContext) -> Validated
+				.traverse(values, f.andThen(validator -> validator.validate(a1, a2, a3,
+						a4, a5, a6, a7, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, R, T> Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, List<R>> traverse8(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments8Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, locale, constraintContext) -> Validated
+				.traverse(values, f.andThen(validator -> validator.validate(a1, a2, a3,
+						a4, a5, a6, a7, a8, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, R, T> Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, List<R>> traverse9(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments9Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R, T> Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, List<R>> traverse10(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments10Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R, T> Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, List<R>> traverse11(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments11Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, a11, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R, T> Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, List<R>> traverse12(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments12Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, a11, a12, locale, constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R, T> Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, List<R>> traverse13(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments13Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, a11, a12, a13, locale,
+								constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R, T> Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, List<R>> traverse14(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments14Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, a11, a12, a13, a14, locale,
+								constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R, T> Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, List<R>> traverse15(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments15Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? super A15, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, locale,
+				constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, a11, a12, a13, a14, a15, locale,
+								constraintContext)));
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R, T> Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, List<R>> traverse16(
+			Iterable<T> values,
+			Function<? super T, ? extends Arguments16Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? super A15, ? super A16, ? extends R>> f) {
+		return (a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16,
+				locale, constraintContext) -> Validated.traverse(values,
+						f.andThen(validator -> validator.validate(a1, a2, a3, a4, a5, a6,
+								a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, locale,
+								constraintContext)));
+	}
+
+	public static <A1, R> Arguments1Validator<A1, List<R>> sequence1(
+			Iterable<? extends Arguments1Validator<? super A1, ? extends R>> values) {
+		return traverse1(values, identity());
+	}
+
+	public static <A1, A2, R> Arguments2Validator<A1, A2, List<R>> sequence2(
+			Iterable<? extends Arguments2Validator<? super A1, ? super A2, ? extends R>> values) {
+		return traverse2(values, identity());
+	}
+
+	public static <A1, A2, A3, R> Arguments3Validator<A1, A2, A3, List<R>> sequence3(
+			Iterable<? extends Arguments3Validator<? super A1, ? super A2, ? super A3, ? extends R>> values) {
+		return traverse3(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, R> Arguments4Validator<A1, A2, A3, A4, List<R>> sequence4(
+			Iterable<? extends Arguments4Validator<? super A1, ? super A2, ? super A3, ? super A4, ? extends R>> values) {
+		return traverse4(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, R> Arguments5Validator<A1, A2, A3, A4, A5, List<R>> sequence5(
+			Iterable<? extends Arguments5Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? extends R>> values) {
+		return traverse5(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, R> Arguments6Validator<A1, A2, A3, A4, A5, A6, List<R>> sequence6(
+			Iterable<? extends Arguments6Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? extends R>> values) {
+		return traverse6(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, R> Arguments7Validator<A1, A2, A3, A4, A5, A6, A7, List<R>> sequence7(
+			Iterable<? extends Arguments7Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? extends R>> values) {
+		return traverse7(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, R> Arguments8Validator<A1, A2, A3, A4, A5, A6, A7, A8, List<R>> sequence8(
+			Iterable<? extends Arguments8Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? extends R>> values) {
+		return traverse8(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, R> Arguments9Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, List<R>> sequence9(
+			Iterable<? extends Arguments9Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? extends R>> values) {
+		return traverse9(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R> Arguments10Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, List<R>> sequence10(
+			Iterable<? extends Arguments10Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? extends R>> values) {
+		return traverse10(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R> Arguments11Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, List<R>> sequence11(
+			Iterable<? extends Arguments11Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? extends R>> values) {
+		return traverse11(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R> Arguments12Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, List<R>> sequence12(
+			Iterable<? extends Arguments12Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? extends R>> values) {
+		return traverse12(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R> Arguments13Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, List<R>> sequence13(
+			Iterable<? extends Arguments13Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? extends R>> values) {
+		return traverse13(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R> Arguments14Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, List<R>> sequence14(
+			Iterable<? extends Arguments14Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? extends R>> values) {
+		return traverse14(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R> Arguments15Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, List<R>> sequence15(
+			Iterable<? extends Arguments15Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? super A15, ? extends R>> values) {
+		return traverse15(values, identity());
+	}
+
+	public static <A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R> Arguments16Validator<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, List<R>> sequence16(
+			Iterable<? extends Arguments16Validator<? super A1, ? super A2, ? super A3, ? super A4, ? super A5, ? super A6, ? super A7, ? super A8, ? super A9, ? super A10, ? super A11, ? super A12, ? super A13, ? super A14, ? super A15, ? super A16, ? extends R>> values) {
+		return traverse16(values, identity());
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	public static <A1, R, C extends Collection<R>> Arguments1Validator<Iterable<A1>, C> liftCollection(
+			ValueValidator<? super A1, ? extends R> validator, Supplier<C> factory) {
+		return Arguments1Validator
+				.from(ValueValidator.liftCollection(validator, factory));
+	}
+
+	public static <A1, R> Arguments1Validator<Iterable<A1>, List<R>> liftList(
+			ValueValidator<? super A1, ? extends R> validator) {
+		return Arguments1Validator.from(ValueValidator.liftList(validator));
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	public static <A1, R> Arguments1Validator<Iterable<A1>, Set<R>> liftSet(
+			ValueValidator<? super A1, ? extends R> validator) {
+		return Arguments1Validator.from(ValueValidator.liftSet(validator));
+	}
+
+	/**
+	 * @since 0.8.0
+	 */
+	public static <A1, R> Arguments1Validator<Optional<A1>, Optional<R>> liftOptional(
+			ValueValidator<? super A1, ? extends R> validator) {
+		return Arguments1Validator.from(ValueValidator.liftOptional(validator));
+	}
+
+}