diff --git a/net/src/main/java/org/xbib/net/UserProfile.java b/net/src/main/java/org/xbib/net/UserProfile.java
index 0acb77e..f5473db 100644
--- a/net/src/main/java/org/xbib/net/UserProfile.java
+++ b/net/src/main/java/org/xbib/net/UserProfile.java
@@ -1,6 +1,7 @@
 package org.xbib.net;
 
-import java.util.List;
+import java.util.Collection;
+import java.util.Map;
 
 public interface UserProfile {
 
@@ -18,26 +19,31 @@ public interface UserProfile {
 
     void addRole(String role);
 
-    List<String> getRoles();
+    void setRoles(Collection<String> roles);
+
+    Collection<String> getRoles();
 
     void addEffectiveRole(String role);
 
-    List<String> getEffectiveRoles();
+    void setEffectiveRoles(Collection<String> effectiveRoles);
+
+    Collection<String> getEffectiveRoles();
 
     void addPermission(String permission);
 
-    List<String> getPermissions();
+    void setPermissions(Collection<String> permissions);
+
+    Collection<String> getPermissions();
 
     void addEffectivePermission(String permission);
 
-    List<String> getEffectivePermissions();
+    void setEffectivePermissions(Collection<String> effectivePermissions);
+
+    Collection<String> getEffectivePermissions();
+
+    void setAttributes(Attributes attributes);
 
     Attributes getAttributes();
 
-    Attributes getEffectiveAttributes();
-
-    void setRemembered(boolean remembered);
-
-    boolean isRemembered();
-
+    Map<String, Object> asMap();
 }