@Override public void removelocalUserRoleListener(ChatRoomLocalUserRoleListener listener) { localUserRoleListeners.remove(listener); }
@Override public void removeMemberRoleListener(ChatRoomMemberRoleListener listener) { memberRoleListeners.remove(listener); }
@Override public void removeMemberPresenceListener(ChatRoomMemberPresenceListener listener) { synchronized (memberListeners) { memberListeners.remove(listener); } }