func (l *lockRESTServer) RefreshHandler(args *dsync.LockArgs) (*dsync.LockResp, *grid.RemoteErr) {
	resp := lockRPCRefresh.NewResponse()
	refreshed, err := l.ll.Refresh(context.Background(), *args)
	if err != nil {
		return l.makeResp(resp, err)
	}
	if !refreshed {
		return l.makeResp(resp, errLockNotFound)
	}
	return l.makeResp(resp, err)
}

// LockHandler - Acquires a lock.

			ctx, cancel := context.WithTimeout(ctx, ds.Timeouts.RefreshCall)
			defer cancel()

			refreshed, err := c.Refresh(ctx, args)
			if err != nil {
				ch <- refreshResult{offline: true}
				log("dsync: Unable to call Refresh failed with %s for %#v at %s\n", err, args, c)
			} else {
				ch <- refreshResult{refreshed: refreshed}
				log("dsync: Refresh returned false for %#v at %s\n", args, c)
			}
		}(index, c)
	}

type KeycloakProvider struct {
	sync.Mutex

	oeConfig DiscoveryDoc
	client   http.Client
	adminURL string
	realm    string

	// internal value refreshed
	accessToken Token
}

// LoginWithUser authenticates username/password, not needed for Keycloak
func (k *KeycloakProvider) LoginWithUser(username, password string) error {
	return ErrNotImplemented
}

						console.Debugln("returning", m.id, "due to scan state", m2.status, time.Now().Format(time.RFC3339))
					}
					return
				}
				m = m2
				if serverDebugLog {
					console.Debugln("refreshed", m.id, time.Now().Format(time.RFC3339))
				}
			} else if serverDebugLog {
				console.Debugln("error refreshing", m.id, time.Now().Format(time.RFC3339))
			}
		}
	}
}

	}

	mclaims := jwtgo.MapClaims(claims)
	jwtToken, err := jp.ParseWithClaims(token, &mclaims, keyFuncCallback)
	if err != nil {
		// Re-populate the public key in-case the JWKS
		// pubkeys are refreshed
		if err = r.PopulatePublicKey(arn); err != nil {
			return err
		}
		jwtToken, err = jwtgo.ParseWithClaims(token, &mclaims, keyFuncCallback)
		if err != nil {
			return err
		}
	}

// GetConfig returns a specific configuration from the bucket metadata.
// The returned object may not be modified.
// reloaded will be true if metadata refreshed from disk
func (sys *BucketMetadataSys) GetConfig(ctx context.Context, bucket string) (meta BucketMetadata, reloaded bool, err error) {
	objAPI := newObjectLayerFn()
	if objAPI == nil {

				continue
			}
			reply = true
			l.removeEntry(resource, dsync.LockArgs{UID: args.UID}, &lris)
			idx++
		}
	}
}

func (l *localLocker) Refresh(ctx context.Context, args dsync.LockArgs) (refreshed bool, err error) {
	select {
	case <-ctx.Done():
		return false, ctx.Err()
	default:
		l.mutex.Lock()
		defer l.mutex.Unlock()

		// Check whether uid is still active.

    assertEquals(0, stats.loadExceptionCount());
    assertEquals(1, stats.hitCount());

    ticker.advance(1, MILLISECONDS);
    assertSame(one, cache.getUnchecked(key));
    // refreshed
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(1, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(2, stats.hitCount());

		}
		return nil
	}
}

// MetricsGroup - represents a group of metrics. It includes a `MetricsLoaderFn`
// function that provides a way to load the metrics from the system. The metrics
// are cached and refreshed after a given timeout.
//
// For metrics with a `bucket` dimension, a list of buckets argument is required
// to collect the metrics.
//
// It implements the prometheus.Collector interface for metric groups without a

     * Returns the newly refreshed value associated with {@code key} if it was refreshed inline, or
     * {@code null} if another thread is performing the refresh or if an error occurs during
     * refresh.
     */
    @CanIgnoreReturnValue
    @CheckForNull
    V refresh(K key, int hash, CacheLoader<? super K, V> loader, boolean checkTime) {
      final LoadingValueReference<K, V> loadingValueReference =