Stage::getStageIds

public function getStageIds($taskId)
{
	$stageIds = [];

	$queryObject = TaskStageTable::getList(["select" => ["ID", "STAGE_ID"], "filter" => ["TASK_ID" => $taskId]]);
	while ($stage = $queryObject->fetch())
	{
		$stageIds[$stage["ID"]] = $stage["STAGE_ID"];
	}

	return $stageIds;
}