@Override
 public int accepteInvitation(int idInvitation) {
   return mock.accepteInvitation(idInvitation);
 }
 @Override
 public List<Invitation> getAllMyInvitationsSent(int userId) {
   return mock.getAllMyInvitationsSent(userId);
 }
 @Override
 public List<Invitation> getAllMyInvitationsReceive(int myId) {
   return mock.getAllMyInvitationsReceive(myId);
 }
 @Override
 public Invitation getInvitation(int id) {
   return mock.getInvitation(id);
 }
 @Override
 public Invitation getInvitation(int senderId, int receiverId) {
   return mock.getInvitation(senderId, receiverId);
 }
 @Override
 public RelationShip getRelationShip(int relationShipId) {
   return mock.getRelationShip(relationShipId);
 }
 @Override
 public void ignoreInvitation(int id) {
   mock.ignoreInvitation(id);
 }
 @Override
 public int invite(Invitation invitation) {
   return mock.invite(invitation);
 }