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

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

        return $this->fileSourceMediaId;
    }
public function getFileSourceMediaId ( ) : \ Psr \ Http \ Message \ UriInterface { if ( ! $ this -> fileSourceMediaId ) { return new Uri ( ) ; } return $ this -> fileSourceMediaId ; }
Returns reserved for future use.

@return \Psr\Http\Message\UriInterface
Returns reserved for future use .