func (e metaCacheEntry) isInDir(dir, separator string) bool {
	if len(dir) == 0 {
		// Root
		idx := strings.Index(e.name, separator)
		return idx == -1 || idx == len(e.name)-len(separator)
	}
	ext := strings.TrimPrefix(e.name, dir)
	if len(ext) != len(e.name) {
		idx := strings.Index(ext, separator)
		// If separator is not found or is last entry, ok.

	res = make(map[string][]string)
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()
	for item := range listIAMConfigItems(ctx, iamOS.objAPI, iamConfigPrefix+SlashSeparator) {
		if item.Err != nil {
			return nil, item.Err
		}

		secondIndex := strings.HasPrefix(item.Item, policyDBPrefix)
		listKey, trimmedItem := splitPath(item.Item, secondIndex)
		if listKey == iamFormatFile {
			continue

	testCases := []struct {
		endpointArgs   []string
		expectedResult []string
		expectedLocal  string
	}{
		{[]string{"/d1", "/d2", "d3", "d4"}, []string{}, ""},
		{[]string{"http://localhost:9000/d1", "http://localhost:9000/d2", "http://example.org:9000/d3", "http://example.com:9000/d4"}, []string{"example.com:9000", "example.org:9000", "localhost:9000"}, "localhost:9000"},

		config.KV{
			Key:   config.Enable,
			Value: config.EnableOn,
		},
		config.KV{
			Key: target.KafkaBrokers,
			Value: func() string {
				var brokers []string
				for _, broker := range cfg.Brokers {
					brokers = append(brokers, broker.String())
				}
				return strings.Join(brokers, config.ValueSeparator)
			}(),
		},
		config.KV{
			Key:   target.KafkaTopic,
			Value: cfg.Topic,
		},
		config.KV{

    }

    // Helper method to read string from buffer
    private String readString(byte[] buffer, int offset, int maxLength) {
        int length = 0;
        for (int i = offset; i < offset + maxLength && i < buffer.length; i++) {
            if (buffer[i] == 0) {
                break;
            }
            length++;
        }
        return new String(buffer, offset, length);
    }

        assertNull(user.getName());

        // Test with special characters in name
        user = new TestFessUser("******@****.***", new String[] {}, new String[] {}, new String[] {});
        assertEquals("******@****.***", user.getName());

        // Test with Unicode characters
        user = new TestFessUser("ユーザー名", new String[] {}, new String[] {}, new String[] {});

    public void test_ofNullable_withNonNullString() {
        String testValue = "test string";
        OptionalEntity<String> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

    @Test
    public void test_ofNullable_withNullString() {
        String testValue = null;

        // Act
        String result = transPeekNamedPipe.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransPeekNamedPipe"));
        assertTrue(result.contains("pipeName=null"));
    }

    @ParameterizedTest
    @NullAndEmptySource

			Got:  base64.StdEncoding.EncodeToString(sum),
		}
	}
	return nil
}

// AsMap returns the checksum as a map[string]string.
func (c *Checksum) AsMap() map[string]string {
	if c == nil || !c.Valid() {
		return nil
	}
	return map[string]string{
		c.Type.String():       c.Encoded,
		xhttp.AmzChecksumType: c.Type.ObjType(),
	}
}

func shouldUseASCIISet(bufLen int) bool {
	return bufLen > 8
}

// containsRune is a simplified version of strings.ContainsRune
// to avoid importing the strings package.
// We avoid bytes.ContainsRune to avoid allocating a temporary copy of s.
func containsRune(s string, r rune) bool {
	for _, c := range s {
		if c == r {
			return true
		}
	}
	return false
}