* AGP: https://github.com/google/guava/issues/7769.
       *
       * My impression is that an AtomicReferenceFieldUpdater in a static field is similarly fast to
       * Unsafe on modern JVMs (if perhaps not quite as fast as VarHandle?). However, I'm not sure
       * exactly what we've benchmarked, and we certainly haven't benchmarked as far back as JDK 8.

      Assert.assertEquals(hashFunction.bits(), hashcode1.asBytes().length * 8);
      hashcodes.add(hashcode1);
    }
    assertThat((double) hashcodes.size()).isGreaterThan(objects * 0.95); // quite relaxed test

    assertHashBytesThrowsCorrectExceptions(hashFunction);
    assertIndependentHashers(hashFunction);
    assertShortcutsAreEquivalent(hashFunction, 512);
  }

	gopts := opts
	gopts.NoLock = true // We already have a lock, we can live with it.
	objInfo, err := getObjectInfo(ctx, bucket, object, gopts)
	if err != nil {
		// Versioning enabled quite possibly object is deleted might be delete-marker
		// if present set the headers, no idea why AWS S3 sets these headers.
		if objInfo.VersionID != "" && objInfo.DeleteMarker {

  Most GNU software, including some libraries, is covered by the
ordinary GNU General Public License.  This license, the GNU Lesser
General Public License, applies to certain designated libraries, and
is quite different from the ordinary General Public License.  We use
this license for certain libraries in order to permit linking those
libraries into non-free programs.

	if err != nil {
		if isErrPreconditionFailed(err) {
			return
		}
		if globalBucketVersioningSys.PrefixEnabled(srcBucket, srcObject) && gr != nil {
			// Versioning enabled quite possibly object is deleted might be delete-marker
			// if present set the headers, no idea why AWS S3 sets these headers.
			if gr.ObjInfo.VersionID != "" && gr.ObjInfo.DeleteMarker {

 * code verbose. Whenever following this advice, you should check whether {@code Stream} could be
 * adopted more comprehensively in your code; the end result may be quite a bit simpler.
 *
 * <h3>See also</h3>
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/OrderingExplained">{@code Ordering}</a>.
 *
 * @author Jesse Wilson

 * code verbose. Whenever following this advice, you should check whether {@code Stream} could be
 * adopted more comprehensively in your code; the end result may be quite a bit simpler.
 *
 * <h3>See also</h3>
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/OrderingExplained">{@code Ordering}</a>.
 *
 * @author Jesse Wilson

		w.Close()
		return err
	}

	// Dealing with error returns from close() - 'man 2 close'
	//
	// A careful programmer will check the return value of close(), since it is quite possible that
	// errors on a previous write(2) operation are reported only on the final close() that releases
	// the open file descriptor.
	//

	defer zipWriter.Close()

	// Start by embedding cluster info.
	if b := getClusterMetaInfo(ctx); len(b) > 0 {
		internalLogIf(ctx, embedFileInZip(zipWriter, "cluster.info", b, 0o600))
	}

	// Profiles can be quite big, so we limit to max 16 concurrent downloads.
	ng := WithNPeersThrottled(len(sys.peerClients), 16)
	var writeMu sync.Mutex
	for i, client := range sys.peerClients {
		if client == nil {
			continue
		}

    //  * They don't use percent escaping at all.
    //  * They use punycode for internationalization.
    //  * URI is much more strict than HttpUrl or URL on what's accepted.
    //
    // HttpUrl is quite lenient with what characters it accepts. In particular, characters like '{'
    // and '"' are permitted but unlikely to occur in real-world URLs. Unfortunately we can't just