# This doesn't use a set to preserve order, just in case
        for scope in self.own_oauth_scopes or []:
            if scope not in scopes:
                scopes.append(scope)
        return scopes

    @cached_property
    def cache_key(self) -> DependencyCacheKey:
        scopes_for_cache = (
            tuple(sorted(set(self.oauth_scopes or []))) if self._uses_scopes else ()

	// versions.
	n := 0
	for _, fi := range fivs.Versions {
		// filter our tier object delete marker
		if fi.TierFreeVersion() {
			if !inclFreeVersions {
				fivs.FreeVersions = append(fivs.FreeVersions, fi)
			}
		} else {
			if !inclFreeVersions {
				fivs.Versions[n] = fi
			}
			n++
		}
	}
	if !inclFreeVersions {
		fivs.Versions = fivs.Versions[:n]
	}
	// Update numversions

				}

				data, err = decryptData(data, obj.Name)
				if err != nil {
					// ignore history file that cannot be loaded.
					continue
				}

				cfgEntry.Data = string(data)
			}
			configHistory = append(configHistory, cfgEntry)
			count--
			if count == 0 {
				break
			}
		}
		if !res.IsTruncated {
			// We are done here
			break
		}
		marker = res.NextMarker
	}

// ToS3ETag - return checksum to ETag
func ToS3ETag(etag string) string {
	etag = canonicalizeETag(etag)

	if !strings.HasSuffix(etag, "-1") {
		// Tools like s3cmd uses ETag as checksum of data to validate.
		// Append "-1" to indicate ETag is not a checksum.
		etag += "-1"
	}

	return etag
}

// GetDefaultConnSettings returns default HTTP connection settings.
func GetDefaultConnSettings() xhttp.ConnSettings {

Since HTTP requests frequently happen in parallel, connection pooling must be thread-safe.

These are the primary classes involved with establishing, sharing, and terminating connections:

		b = bytes.ReplaceAll(b, []byte("\r"), []byte{})
		sc := bufio.NewScanner(bytes.NewBuffer(b))
		for sc.Scan() {
			object = strings.TrimSpace(sc.Text())
			set := sipHashMod(prefix+object, setCount, id)
			distrib[set] = append(distrib[set], prefix+object)
		}
		for set, files := range distrib {
			fmt.Println("Set:", set+1, "Objects:", len(files))
			if !verbose {
				continue
			}
			for _, s := range files {

		var x509Cert *x509.Certificate
		if x509Cert, err = x509.ParseCertificate(pemBlock.Bytes); err != nil {
			return nil, ErrTLSUnexpectedData(nil).Msgf("Failed to parse `%s`: %s", certFile, err.Error())
		}

		x509Certs = append(x509Certs, x509Cert)
	}

	if len(x509Certs) == 0 {
		return nil, ErrTLSUnexpectedData(nil).Msgf("Empty public certificate file %s", certFile)
	}

	return x509Certs, nil
}

          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then
   * forwards the calls to the underlying {@code Map}.
   */
  private static class CheckSetUpInvocationHandler implements InvocationHandler, Serializable {
    private final Map<String, String> map;

		{"foo", object, uploadID, BucketNotFound{}},
		{bucket, object, "foo-foo", InvalidUploadID{}},
		{bucket, object, uploadID, nil},
	}

	if runtime.GOOS != globalWindowsOSName {
		abortTestCases = append(abortTestCases, struct {
			bucketName      string
			objName         string
			uploadID        string
			expectedErrType error
		}{bucket, "\\", uploadID, InvalidUploadID{}})
	}

                    case "?":
                        optional = true;
                        break;
                    default:
                        tokStarted = true;
                        tokBuf.append(tok.trim());
                        break;
                }
            }

            // Handle case where end of token stream and
            // still got data
            if ((!exit) && (tokStarted)) {