pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());
pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());
pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());
pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());