}

// remoteVersionID represents the version id of an object in the remote tier.
// Its usage is remote tier cloud implementation specific.
type remoteVersionID string

// newWarmBackend instantiates the tier type specific WarmBackend, runs
// checkWarmBackend on it.
func newWarmBackend(ctx context.Context, tier madmin.TierConfig, probe bool) (d WarmBackend, err error) {
	switch tier.Type {
	case madmin.S3:

		ctx:          ctx,
		killCh:       make(chan struct{}),
		lastDayStats: make(map[string]*lastDayTierStats),
	}
}

// Init initializes t with given objAPI and instantiates the configured number
// of transition workers.
func (t *transitionState) Init(objAPI ObjectLayer) {
	n := globalAPIConfig.getTransitionWorkers()
	// Prefer ilm.transition_workers over now deprecated api.transition_workers

	initAllSubsystems(ctx)

	return newErasureServerPools(ctx, endpointServerPools)
}

// initObjectLayer - Instantiates object layer and returns it.
func initObjectLayer(ctx context.Context, endpointServerPools EndpointServerPools) (ObjectLayer, []StorageAPI, error) {
	objLayer, err := newTestObjectLayer(ctx, endpointServerPools)

		{string(bytes.Repeat([]byte("界"), 85)), true},
		// Each path component must be <= 255 bytes long.
		{string(bytes.Repeat([]byte("界"), 280)), false},
		{`/p/q/r/s/t`, true},
	}
	dir := t.TempDir()

	// Instantiate posix object to manage a disk
	fs, err := newLocalXLStorage(dir)
	if err != nil {
		t.Fatal(err)
	}

	// Create volume to use in conjunction with other StorageAPI's file API(s)