code: public function getClassProperties()
      {
          return [
              'company' => $this->getCompany(),
              'department' => $this->getDepartment(),
              'gender' => $this->getGender(),
              'title' => $this->getTitle(),
              'firstname' => $this->getFirstname(),
              'lastname' => $this->getLastname(),
              'street' => $this->getStreet(),
              'additional' => $this->getAdditional(),
              'postalCode' => $this->getPostalCode(),
              'city' => $this->getCity(),
              'countryIdentifier' => $this->getCountryIdentifier(),
              'vatId' => $this->getVatId(),
              'phoneNumber' => $this->getPhoneNumber(),
              'mobilePhoneNumber' => $this->getMobilePhoneNumber(),
              'attributes' => $this->getAttributes(),
          ];
      }
docs: {@inheritdoc}