public function getTransformId(): \Psr\Http\Message\UriInterface
    {
        if (!$this->transformId) {
            return new Uri();
        }

        return $this->transformId;
    }
public function getTransformId(): \Psr\Http\Message\UriInterface
    {
        if (!$this->transformId) {
            return new Uri();
        }

        return $this->transformId;
    }
public function getTransformId ( ) : \ Psr \ Http \ Message \ UriInterface { if ( ! $ this -> transformId ) { return new Uri ( ) ; } return $ this -> transformId ; }
Returns the id of the encoding template used to generate the file.

@return \Psr\Http\Message\UriInterface
Returns the id of the encoding template used to generate the file .