/**
  * @param $projectId
  * @param $memberId
  * @return bool
  */
 public function isMember($projectId, $memberId)
 {
     return (bool) $this->service->isMember($projectId, $memberId);
 }
 public function isMember($id_project, $id_user)
 {
     return $this->service->isMember($id_project, $id_user);
 }