src/Address/Office.php
public function setCity($city)
    {
        if(!($city instanceof City)) {
            $city = new City((array)$city);
        }
        return $this->setParameter('city', $city);
    }
public function setCity($city)
    {
        if(!($city instanceof City)) {
            $city = new City((array)$city);
        }
        return $this->setParameter('city', $city);
    }
Set city
@param City|array $city
@return $this