CTaskNotifications::getUsersFromBuffer

static function getUsersFromBuffer(): array
{
	$users = [];
	foreach(self::$buffer as $i => $message)
	{
		if(is_array($message['TO_USER_IDS']))
		{
			foreach ($message['TO_USER_IDS'] as $userId)
			{
				$users[$userId] = true;
			}
		}
	}
	return self::getUsers(array_keys($users));
}