diff --git a/src/net/java/sip/communicator/service/protocol/OperationSetServerStoredContactInfo.java b/src/net/java/sip/communicator/service/protocol/OperationSetServerStoredContactInfo.java
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+++ b/src/net/java/sip/communicator/service/protocol/OperationSetServerStoredContactInfo.java
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+/*
+ * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.sip.communicator.service.protocol;
+
+import java.util.Iterator;
+import java.util.*;
+
+/**
+ * The User Info Operation set is a means of accessing detailed information of
+ * Contacts that have made it available on-line (on a protocol server, p2p net
+ * or others). Examples of such details are your picture, postal or e-mail
+ * addresses, work, hobbies, interests, and many many others.
+ * <p>
+ * Various types of details have been defined in the ServerStoredDetails class
+ * and can be used with the get methods of this interface. Implementors may also
+ * define their own details by extending or instantiating the
+ * ServerStoredDetails.GenericDetail class.
+ * <p>
+ * Note that this is a read only Operation Set, as it only provides access to
+ * information stored by Contacts themselves, and not notes that you have been
+ * adding for them..
+ * <p>
+ * The OperationSetServerStoredContactInfo only concerns Contact-s other than us.
+ * For accessing and modifying the information of the user that we are logged in
+ * with, we need to use the OperationSetServerStoredAccountInfo
+ *
+ * @author Emil Ivov
+ */
+public interface OperationSetServerStoredContactInfo
+    extends OperationSet
+{
+    /**
+     * Returns an iterator over all details that are instances or descendants of
+     * the specified class. If for example an existing contact has a workaddress
+     * and an address detail, a call to this method with AddressDetail.class
+     * would return both of them.
+     * <p>
+     * @param detailClass one of the detail classes defined in the
+     * ServerStoredDetails class, indicating the kind of details we're
+     * interested in.
+     * @param contact the contact whose details we're interested in.
+     * <p>
+     * @return a java.util.Iterator over all details that are instances or
+     * descendants of the specified class.
+     */
+    public Iterator getDetailsAndDescendants(Contact contat, Class detailClass);
+
+    /**
+     * Returns an iterator over all details that are instances of exactly the
+     * same class as the one specified. Not that, contrary to the
+     * getDetailsAndDescendants() method this one would only return details
+     * that are instances of the specified class and not only its desendants.
+     * If for example an existing contact has both a workaddress
+     * and an address detail, a call to this method with AddressDetail.class
+     * would return only the AddressDetail instance and not the
+     * WorkAddressDetail instance.
+     * <p>
+     * @param detailClass one of the detail classes defined in the
+     * ServerStoredDetails class, indicating the kind of details we're
+     * interested in.
+     * @param contact the contact whose details we're interested in.
+     * <p>
+     * @return a java.util.Iterator over all details of specified class.
+     */
+    public Iterator getDetails(Contact contat, Class detailClass);
+
+    /**
+     * Returns all details existing for the specified cotact.
+     * @return a java.util.Iterator over all details existing for the specified
+     * contact.
+     */
+    public Iterator getAllDetailsForContact(Contact contact);
+}