defer wg.Done()
			if disks[i] == nil {
				return
			}
			di, err := disks[i].DiskInfo(context.Background(), DiskInfoOptions{})
			if err != nil || di.Healing {
				// - Do not consume disks which are not reachable
				//   unformatted or simply not accessible for some reason.
				//
				// - Do not consume disks which are being healed
				//
				// - Future: skip busy disks
				return
			}

			mu.Lock()

 * `::1` will reach the IPv6 server.
 *
 * By orchestrating two different servers with the same port but different IP addresses, we can
 * test what OkHttp does when both are reachable, or if only one is reachable.
 *
 * This test only runs on host machines that have both IPv4 and IPv6 addresses for localhost.
 */
@Timeout(30)
class FastFallbackTest {
  @RegisterExtension

 * [okhttp-staleiferror-interceptor](https://github.com/PeelTechnologies/okhttp-staleiferror-interceptor/): serve stale responses when the server isn’t reachable.
 * [okhttp-stats](https://github.com/flipkart-incubator/okhttp-stats): Get stats like average network speed.

   *
   * <p>In an undirected graph, this is equivalent to {@link #adjacentNodes(Object)}.
   *
   * <p>This is <i>not</i> the same as "all nodes reachable from {@code node} by following outgoing
   * edges". For that functionality, see {@link Graphs#reachableNodes(Graph, Object)}.
   *
   * <p>If {@code node} is removed from the graph after this method is called, the {@code Set}

            "The referenced account is currently locked out and may not be logged on to.", "Connection refused",
            "The remote system is not reachable by the transport.",
            "The layered file system driver for this I/O tag did not handle it when needed.",
            "No more files were found that match the file specification.", };

            "The user must change his password before he logs on the first time.", "NT_STATUS_NOT_FOUND",
            "The referenced account is currently locked out and may not be logged on to.",
            "The remote system is not reachable by the transport.", "NT_STATUS_IO_REPARSE_TAG_NOT_HANDLED", };

				return
			}

			di, err := disk.DiskInfo(context.Background(), DiskInfoOptions{})
			infos[i] = di
			if err != nil {
				// - Do not consume disks which are not reachable
				//   unformatted or simply not accessible for some reason.
				infos[i].Error = err.Error()
			}
		}()
	}
	wg.Wait()

	var scanningDisks, healingDisks []StorageAPI

 *       ImmutableList#subList} may retain a reference to the entire data set, preventing it from
 *       being garbage collected. If some of the data is no longer reachable through other means,
 *       this constitutes a memory leak. Pass the view collection to the appropriate {@code copyOf}
 *       method to obtain a correctly-sized copy.

func (h *Target) Endpoint() string {
	return h.config.Endpoint.String()
}

func (h *Target) String() string {
	return h.config.Name
}

// IsOnline returns true if the target is reachable using a cached value
func (h *Target) IsOnline(ctx context.Context) bool {
	return h.status.Load() == statusOnline
}

// Stats returns the target statistics.
func (h *Target) Stats() types.TargetStats {

   * Specifies that each value (not key) stored in the cache should be wrapped in a {@link
   * WeakReference} (by default, strong references are used).
   *
   * <p>Weak values will be garbage collected once they are weakly reachable. This makes them a poor
   * candidate for caching; consider {@link #softValues} instead.
   *
   * <p><b>Note:</b> when this method is used, the resulting cache will use identity ({@code ==})