public function getSourceURL($grant = true)
    {
        if ($this->File->exists()) {
            return $this->File->getSourceURL($grant);
        }
        return null;
    }
public function getSourceURL($grant = true)
    {
        if ($this->File->exists()) {
            return $this->File->getSourceURL($grant);
        }
        return null;
    }
public function getSourceURL ( $ grant = true ) { if ( $ this -> File -> exists ( ) ) { return $ this -> File -> getSourceURL ( $ grant ) ; } return null ; }
Get URL, but without resampling.

@param bool $grant Ensures that the url for any protected assets is granted for the current user.
@return string
Get URL but without resampling .