visitor; } public function setVisitor(Visitor $visitor): self { $this->visitor = $visitor; return $this; } public function getUser(): ?User { return $this->user; } public function setUser(?User $user): self { $this->user = $user; return $this; } public function getAddress(): ?Address { return $this->address; } public function setAddress(?Address $address): self { $this->address = $address; return $this; } }