$headers->
setHeaderBody('Parameterized', 'Content-Disposition',
$this->disposition
);
if ($this->name
) { $headers->
setHeaderParameter('Content-Disposition', 'name',
$this->name
);
} } return $headers;
} public function asDebugString(): string
{ $str = parent::
asDebugString();
if (null !==
$this->charset
) { $str .= ' charset: '.
$this->charset;
} if (null !==
$this->disposition
) { $str .= ' disposition: '.
$this->disposition;
} return $str;
} private function getEncoder(): ContentEncoderInterface
{