Output::unregister

public function unregister(): Result
{
	$result = clone $this->result;

	if (
		$this->sender instanceof MessageServiceSenderBase
		&& $result->isSuccess()
	)
	{
		if (!$this->sender->clearOptions())
		{
			return $result->addError(
				new Error(Loc::getMessage('IMCONNECTOR_PROVIDER_MESSAGESERVICE_ERROR_DELETE_CONNECTION'))
			);
		}
	}

	return $result;
}