Chat::readAllChats

static function readAllChats(int $userId): Result
{
	$readService = new ReadService($userId);
	$readService->readAll();

	ImRecent::readAll($userId);

	if (MainLoader::includeModule('pull'))
	{
		BitrixPullEvent::add($userId, [
			'module_id' => 'im',
			'command' => 'readAllChats',
			'extra' => ImCommon::getPullExtra()
		]);
	}

	return new Result();
}