defer disk.Delete(context.TODO(), minioMetaBucket, tmpFormat, DeleteOptions{
		Recursive: false,
		Immediate: false,
	})

	// write to unique file.
	if err = disk.WriteAll(context.TODO(), minioMetaBucket, tmpFormat, formatData); err != nil {
		return err
	}

	// Rename file `uuid.json` --> `format.json`.

				return nil, time.Time{}, nil
			}
		}

		policy, ok := c.iamGroupPolicyMap.Load(name)
		if ok {
			return policy.toSlice(), policy.UpdatedAt, nil
		}
		if err := store.loadMappedPolicyWithRetry(context.TODO(), name, regUser, true, c.iamGroupPolicyMap, 3); err != nil && !errors.Is(err, errNoSuchPolicy) {
			return nil, time.Time{}, err
		}
		policy, _ = c.iamGroupPolicyMap.Load(name)

	}
	return m.parent.send(m.ctx, dst)
}

// RequestStateless will send a single payload request and stream back results.
// req may not be read/written to after calling.
// TODO: Not implemented
func (m *muxClient) RequestStateless(h HandlerID, req []byte, out chan<- Response) {
	if m.init {
		out <- Response{Err: errors.New("mux client already used")}
	}
	m.init = true

	if !bytes.HasPrefix(sig, []byte("x-amz-trailer-signature:")) {
		if cr.debug {
			fmt.Printf("prefix, want prefix %q, got %q", "x-amz-trailer-signature:", string(sig))
		}
		return errMalformedEncoding
	}

	// TODO: It seems like we may have to be prepared to rewrite and sort trailing headers:
	// https://docs.aws.amazon.com/IAM/latest/UserGuide/create-signed-request.html

	// Any value must end with a newline.

		// transitioned tier lies untouched and still accessible
		opts.Transition.ExpireRestored = true
		_, err := objectAPI.DeleteObject(ctx, oi.Bucket, oi.Name, opts)
		if err == nil {
			// TODO consider including expiry of restored object to events we
			// notify.
			auditLogLifecycle(ctx, *oi, ILMExpiry, tags, traceFn)
		}
		return err
	}

	// Delete remote object from warm-tier

	MD5, err := hex.DecodeString(md5Hex)
	if err != nil {
		return nil, BadDigest{ // TODO(aead): Return an error that indicates that an invalid ETag has been specified
			ExpectedMD5:   md5Hex,
			CalculatedMD5: "",
		}
	}
	SHA256, err := hex.DecodeString(sha256Hex)
	if err != nil {
		return nil, SHA256Mismatch{ // TODO(aead): Return an error that indicates that an invalid Content-SHA256 has been specified

		dataUsageBucket,           // creates .minio.sys/buckets
		minioConfigBucket,         // creates .minio.sys/config
	}
	// Attempt to create MinIO internal buckets.
	return disk.MakeVolBulk(context.TODO(), volumes...)
}

// Initialize a new storage disk.
func newXLStorage(ep Endpoint, cleanUp bool) (s *xlStorage, err error) {
	immediatePurgeQueue := 100000
	if globalIsTesting || globalIsCICD {

			idx--
			if idx >= len(r.csvRecord) || idx < 0 {
				// If field index > number of columns, return null
				return sql.FromNull(), nil
			}
			return sql.FromBytes([]byte(r.csvRecord[idx])), nil
		}
		// TODO: Return Missing?
		return nil, fmt.Errorf("column %v not found", name)
	}

	if index >= int64(len(r.csvRecord)) {
		// No value found for column 'name', hence return null
		// value
		return sql.FromNull(), nil
	}

> NOTE: MinIO environmental variables still take precedence over the `config.yaml` file, however `config.yaml` is preferred over MinIO internal config KV settings via `mc admin config set alias/ <sub-system>`.

### TODO

In subsequent releases we are planning to extend this to provide things like

- Reload() of MinIO server arguments without fully restarting the process.

			}

			got := tt.finished()
			if got != want {
				t.Errorf("#%d: want %v, got %v", i, want, got)
			}
		})
	}
}

func Test_metacache_worthKeeping(t *testing.T) {
	// TODO: Update...
	wantResults := []bool{0: true, 1: true, 2: true, 3: false, 4: false, 5: true, 6: true, 7: false, 8: false}

	for i, tt := range metaCacheTestset {
		t.Run(tt.id, func(t *testing.T) {
			var want bool