func (t *transitionState) ActiveTasks() int64 {
	return t.activeTasks.Load()
}

// MissedImmediateTasks returns the number of tasks - deferred to scanner due
// to tasks channel being backlogged.
func (t *transitionState) MissedImmediateTasks() int64 {
	return t.missedImmediateTasks.Load()
}

// worker waits for transition tasks
func (t *transitionState) worker(objectAPI ObjectLayer) {
	for {

			trPendingTasks.Value = float64(globalTransitionState.PendingTasks())
			trActiveTasks.Value = float64(globalTransitionState.ActiveTasks())
			trMissedTasks.Value = float64(globalTransitionState.MissedImmediateTasks())
		}
		return []MetricV2{
			expPendingTasks,
			expMissedTasks,
			expMissedFreeVersions,
			expMissedTierJournalTasks,
			expNumWorkers,
			trPendingTasks,
			trActiveTasks,