public function getUserExtraData(?Request $request = null): array 	{ 		return [ 			'lastname' => $this->lastname, 			'date_of_birth' => $this->date_of_birth, 			'address' => $this->address, 			'city' => $this->city, 			'zip_code' => $this->zip_code, 			'country' => $this->country, 			'phone' => $this->phone, 			'billing_name' => $this->billing_name, 			'billing_lastname' => $this->lastname, 			'billing_address' => $this->billing_address, 			'billing_city' => $this->billing_city, 			'billing_zip_code' => $this->billing_zip_code, 			'billing_country' => $this->billing_country, 			'billing_phone' => $this->billing_phone, 			'company_name' => $this->company_name, 			'company_address' => $this->company_address, 			'vat' => $this->vat, 		]; 	}