id() public method

public id ( ) : UserId
return UserId
 /**
  * @test
  */
 public function itShouldRemoveWish()
 {
     $this->deleteWishService->execute(new DeleteWishRequest($this->dummyWish->id()->id(), $this->dummyUser->id()->id()));
     $this->assertNull($this->wishRepository->wishOfId($this->dummyWish->id()));
 }
 /**
  * {@inheritdoc}
  */
 public function add(User $user)
 {
     $this->users[$user->id()->id()] = $user;
 }
 /**
  * {@inheritdoc}
  */
 public function persist(User $user)
 {
     $this->users[$user->id()->id()] = $user;
 }