package org.limewire.friend.api; import java.util.Collection; import org.limewire.listener.DefaultDataTypeEvent; public class RosterEvent extends DefaultDataTypeEvent<Collection<Friend>, RosterEvent.Type> { public static enum Type { FRIENDS_ADDED, FRIENDS_UPDATED, FRIENDS_DELETED } public RosterEvent(Collection<Friend> data, Type event) { super(data, event); } }