TaskService::unregisterTask

public function unregisterTask(TaskItem $task, bool $saveDelete): Result
{
	Push::getInstance()
		->setContext($this->context)
		->sendIdOnly($task, self::DELETE_TASK_EVENT, ['CHAT_ID' => $task->getChatId()])
	;
	if (!$saveDelete)
	{
		$task->delete();
	}

	return new Result();
}