func (e BucketAlreadyOwnedByYou) Error() string {
	return "Bucket already owned by you: " + e.Bucket
}

// BucketNotEmpty bucket is not empty.
type BucketNotEmpty GenericError

func (e BucketNotEmpty) Error() string {
	return "Bucket not empty: " + e.Bucket
}

// InvalidVersionID invalid version id
type InvalidVersionID GenericError

func (e InvalidVersionID) Error() string {

	sampleTimeStr := UTCNow().Format(yyyymmdd)
	testCases := []struct {
		inputV4AuthStr    string
		expectedAuthField signValues
		expectedErrCode   APIErrorCode
	}{
		// Test case - 1.
		// Test case with empty auth string.
		{
			inputV4AuthStr:    "",
			expectedAuthField: signValues{},
			expectedErrCode:   ErrAuthHeaderEmpty,
		},
		// Test case - 2.
		// Test case with no sign v4 Algorithm prefix.

                return ComponentUtil.getComponent(GroupService.class).getGroup(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    public static OptionalEntity<Group> getGroup(final CreateForm form) {
        return getEntity(form).map(entity -> {

            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    public static OptionalEntity<PathMapping> getPathMapping(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

            return OptionalThing.of(key);
        }
        if (keyObj instanceof final Number key) {
            return OptionalThing.of(key.toString());
        }
        return OptionalThing.empty();
    }

    protected String escapeValue(final String action) {
        return action.replace('\t', ' ');
    }

    protected void log(final StringBuilder buf) {
        statsLogger.info(buf.toString());

        addSystemProperty(cmdList, Constants.FESS_THUMBNAIL_PATH, null, null);
        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel != null) {
            cmdList.add("-Dfess.log.level=" + logLevel);
        }
        stream(fessConfig.getJvmThumbnailOptionsAsArray())

        }
        cmdList.add("-Dfess.log.path=" + logFilePath);
        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel == null) {
            addSystemProperty(cmdList, "fess.log.level", null, null);
        } else {
            cmdList.add("-Dfess.log.level=" + logLevel);
        }

                MapFeature.GENERAL_PURPOSE)
            .createTestSuite());
    suite.addTestSuite(HashBiMapTest.class);
    return suite;
  }

  public void testMapConstructor() {
    /* Test with non-empty Map. */
    Map<String, String> map =
        ImmutableMap.of(
            "canada", "dollar",
            "chile", "peso",
            "switzerland", "franc");
    HashBiMap<String, String> bimap = HashBiMap.create(map);

	md5sumCurr := p.rawReader.MD5Current()
	var appendHyphen bool
	// md5sumcurr is not empty in two scenarios
	// - server is running in strict compatibility mode
	// - client set Content-Md5 during PUT operation
	if len(md5sumCurr) == 0 {
		// md5sumCurr is only empty when we are running
		// in non-compatibility mode.
		md5sumCurr = make([]byte, 16)
		rand.Read(md5sumCurr)

// The loader is optimistic and has no locking, but tries 5 times before giving up.
// If the object is not found, a nil error with empty data usage cache is returned.
func (d *dataUsageCache) load(ctx context.Context, store objectIO, name string) error {
	// By default, empty data usage cache
	*d = dataUsageCache{}

	load := func(name string, timeout time.Duration) (bool, error) {