return this;
}
public AccountBuilder address(String city, String postalCode, String street, String houseNumber, String boxNumber,
String country) {
Address address = new Address();
address.setStreet(street);
address.setCity(city);
address.setHouseNumber(houseNumber);
address.setPostalCode(postalCode);
address.setBoxNumber(boxNumber);
address.setCountry(country);
this.product.setAddress(address);
return this;
}