// covariantly (and cannot be subclassed to add non-covariant uses).
      @SuppressWarnings("unchecked")
      PeekingImpl<T> peeking = (PeekingImpl<T>) iterator;
      return peeking;
    }
    return new PeekingImpl<>(iterator);
  }

  /**
   * Simply returns its argument.
   *
   * @deprecated no need to use this
   * @since 10.0
   */

}

// return URL for a listing pending multipart uploads.
func getListMultipartURL(endPoint, bucketName string) string {
	queryValue := url.Values{}
	queryValue.Set("uploads", "")
	return makeTestTargetURL(endPoint, bucketName, "", queryValue)
}

// return URL for listing pending multipart uploads with parameters.

	smallFileThreshold = 128 * humanize.KiByte // Optimized for NVMe/SSDs

	// For hardrives it is possible to set this to a lower value to avoid any
	// spike in latency. But currently we are simply keeping it optimal for SSDs.

	// bigFileThreshold is the point where we add readahead to put operations.
	bigFileThreshold = 128 * humanize.MiByte

	// XL metadata file carries per object metadata.

    AtomicInteger callCount = new AtomicInteger();
    // tells the computing thread when to start computing
    CountDownLatch computeSignal = new CountDownLatch(1);
    // tells the main thread when computation is pending
    CountDownLatch secondSignal = new CountDownLatch(1);
    // tells the main thread when the second get has started
    CountDownLatch thirdSignal = new CountDownLatch(1);

    AtomicInteger callCount = new AtomicInteger();
    // tells the computing thread when to start computing
    CountDownLatch computeSignal = new CountDownLatch(1);
    // tells the main thread when computation is pending
    CountDownLatch secondSignal = new CountDownLatch(1);
    // tells the main thread when the second get has started
    CountDownLatch thirdSignal = new CountDownLatch(1);

 * href="https://www.javadoc.io/doc/com.github.ben-manes.caffeine/caffeine/latest/com.github.benmanes.caffeine/com/github/benmanes/caffeine/cache/CacheLoader.html">{@code
 * CacheLoader}</a>, etc.), so you can use Caffeine without needing to use any Guava types.
 * Caffeine's types are better than Guava's, especially for <a

			[]byte("world"), nil,
		},
		// Reading from an object but buffer size greater. - 8
		{
			volume, "myobject",
			7, 8,
			[]byte("world"),
			io.ErrUnexpectedEOF,
		},
		// Seeking ahead returns io.EOF. - 9
		{
			volume, "myobject", 14, 1, nil, io.EOF,
		},
		// Empty volume name. - 10
		{
			"", "myobject", 14, 1, nil, errVolumeNotFound,
		},
		// Empty filename name. - 11

	writeSuccessResponseXML(w, encodedSuccessResponse)
	for _, dobj := range deletedObjects {
		if dobj.ObjectName == "" {
			continue
		}

		if replicateDeletes && (dobj.DeleteMarkerReplicationStatus() == replication.Pending || dobj.VersionPurgeStatus() == replication.VersionPurgePending) {
			// copy so we can re-add null ID.
			dobj := dobj
			if isDirObject(dobj.ObjectName) && dobj.VersionID == "" {
				dobj.VersionID = nullVersionID
			}

	// policy.UpdateServiceAccountAdminAction permission can update any service
	// account.
	//
	// 2. We would like to let a user update their own access keys, however it
	// is currently blocked pending a re-design. Users are still able to delete
	// and re-create them.
	if !globalIAMSys.IsAllowed(policy.Args{
		AccountName:     cred.AccessKey,
		Groups:          cred.Groups,

* Make ConfigMap volume readable as non-root ([#23793](https://github.com/kubernetes/kubernetes/pull/23793), [@pmorie](https://github.com/pmorie))
* only include running and pending pods in daemonset should place calculation ([#23929](https://github.com/kubernetes/kubernetes/pull/23929), [@mikedanese](https://github.com/mikedanese))