// indicates if this is the last version.
func (x *xlMetaV2) DeleteVersion(fi FileInfo) (string, error) {
	// This is a situation where versionId is explicitly
	// specified as "null", as we do not save "null"
	// string it is considered empty. But empty also
	// means the version which matches will be purged.
	if fi.VersionID == nullVersionID {
		fi.VersionID = ""
	}

	var uv uuid.UUID

	enc := func(b []byte) *string {
		if b == nil {
			return nil
		}
		v := base64.StdEncoding.EncodeToString(b)
		return &v
	}

	for bucket, meta := range bucketMap {
		err := globalBucketMetadataSys.save(ctx, *meta)
		if err != nil {
			rpt.SetStatus(bucket, "", err)
			continue
		}
		// Call site replication hook.
		if err = globalSiteReplicationSys.BucketMetaHook(ctx, madmin.SRBucketMeta{

		// fmt.Printf("CheckRedirect:\n")
		// fmt.Printf("Upcoming: %s %s\n", req.Method, req.URL.String())
		// for i, c := range via {
		// 	fmt.Printf("Sofar %d: %s %s\n", i, c.Method, c.URL.String())
		// }
		// Save the last request in a redirect chain.
		lastReq = req
		// We do not follow redirect back to client application.
		if req.URL.Path == "/oauth_callback" {
			return http.ErrUseLastResponse
		}
		return nil

        .addEqualityGroup(Collections.reverseOrder())
        .testEquals();
  }

  public void testReverseOfReverseSameAsForward() {
    // Not guaranteed by spec, but it works, and saves us from testing
    // exhaustively
    assertSame(numberOrdering, numberOrdering.reverse().reverse());
  }

  private enum StringLengthFunction implements Function<String, Integer> {
    StringLength;

        .addEqualityGroup(Collections.reverseOrder())
        .testEquals();
  }

  public void testReverseOfReverseSameAsForward() {
    // Not guaranteed by spec, but it works, and saves us from testing
    // exhaustively
    assertSame(numberOrdering, numberOrdering.reverse().reverse());
  }

  private enum StringLengthFunction implements Function<String, Integer> {
    StringLength;

					return
				}
				// For ARM64 CASP-like instructions, its 2nd destination operand is register pair(Rt, Rt+1) that can
				// not fit into prog.RegTo2, so save it to the prog.RestArgs.
				prog.AddRestDest(a[2])
			default:
				prog.From = a[0]
				prog.Reg = p.getRegister(prog, op, &a[1])
				prog.To = a[2]
			}
		case sys.I386:
			prog.From = a[0]

	info, err := context.ImportDir(dir, 0)
	if err != nil {
		if _, nogo := err.(*build.NoGoError); nogo {
			return nil, err
		}
		log.Fatalf("pkg %q, dir %q: ScanDir: %v", name, dir, err)
	}

	// Save tags list first time we see a directory.
	if usePkgCache {
		if _, ok := pkgTags[dir]; !ok {
			pkgTags[dir] = info.AllTags
			key = tagKey(dir, context, info.AllTags)
		}
	}

        },
        "lithuanian_keywords": {

        },
        "lithuanian_keywords": {

   */
  @J2ktIncompatible // serialization
  static class SerializedForm<K, V> implements Serializable {
    // This object retains references to collections returned by keySet() and value(). This saves
    // bytes when the both the map and its keySet or value collection are written to the same
    // instance of ObjectOutputStream.