public function contains($object)
    {
        if ($object instanceof LatLng) {
            $lat = $object->getLatitude();
            $lng = $object->getLongitude();

            if ($this->getWest() > $lng || $this->getEast() < $lng) {
                return false;
            }

            return ($this->getSouth() <= $lat && $this->getNorth() >= $lat);
        } elseif ($object instanceof LatLngBounds) {
            throw new \RuntimeException('LatLngBounds checking not implemented so far');
        }

        return false;
    }