@GwtCompatible
@J2ktIncompatible
public final class EnumHashBiMap<K extends Enum<K>, V extends @Nullable Object>
    extends AbstractBiMap<K, V> {
  transient Class<K> keyTypeOrObjectUnderJ2cl;

  /**
   * Returns a new, empty {@code EnumHashBiMap} using the specified key type.
   *
   * @param keyType the key type
   */
  public static <K extends Enum<K>, V extends @Nullable Object> EnumHashBiMap<K, V> create(
      Class<K> keyType) {

        // It should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {
            new PropertyConfiguration(null);
        });
    }

    @Test
    @DisplayName("Should handle empty properties")
    void testEmptyProperties() throws CIFSException {
        // Given
        Properties emptyProps = new Properties();

        // When

		opts := ObjectOptions{
			UserDefined: map[string]string{
				xhttp.IfNoneMatch: "*",
			},
			CheckPrecondFn: func(oi ObjectInfo) bool {
				// Precondition fails if object exists (ETag is not empty)
				return oi.ETag != ""
			},
		}

		_, err := obj.NewMultipartUpload(ctx, bucket, object, opts)
		if !isErrReadQuorum(err) {

		t.Fatal(err)
	}

	accessID := globalActiveCred.AccessKey
	testCases := []struct {
		authString    string
		expectedError APIErrorCode
	}{
		// Test case - 1.
		// Case with empty V2AuthString.
		{
			authString:    "",
			expectedError: ErrAuthHeaderEmpty,
		},
		// Test case - 2.
		// Test case with `signV2Algorithm` ("AWS") not being the prefix.
		{
			authString:    "NoV2Prefix",

	if dir == "" {
		dir = getDefaultDir()
	}

	if dir == "" {
		if !dirSet {
			return nil, fmt.Errorf("missing option must be provided")
		}
		return nil, fmt.Errorf("provided option cannot be empty")
	}

	// Disallow relative paths, figure out absolute paths.
	dirAbs, err := filepath.Abs(dir)
	if err != nil {
		return nil, err
	}
	err = mkdirAllIgnorePerm(dirAbs)
	if err != nil {

            // The nested exceptions will appear in the stack trace
            assertTrue(result.contains("Caused by"));
        }

        @Test
        @DisplayName("Should handle exception with empty message")
        void testToStringWithEmptyMessage() {
            TransportException exception = new TransportException("");

            String result = exception.toString();

            assertNotNull(result);

     *
     * @param value The number to convert
     * @return String representation of the number, or empty string if null
     */
    private String toNumberString(final Number value) {
        return value != null ? value.toString() : StringUtil.EMPTY;
    }

    /**
     * Deletes a search log entry based on its type.
     *

  }

  public static void assertEmpty(Iterable<?> iterable) {
    if (!isEmpty(iterable)) {
      fail("Not true that " + iterable + " is empty");
    }
  }

  public static void assertEmpty(Map<?, ?> map) {
    if (!map.isEmpty()) {
      fail("Not true that " + map + " is empty");
    }
  }

  public static void assertEqualInOrder(Iterable<?> expected, Iterable<?> actual) {

func readBucketMetadata(ctx context.Context, api ObjectLayer, name string) (BucketMetadata, error) {
	if name == "" {
		internalLogIf(ctx, errors.New("bucket name cannot be empty"), logger.WarningKind)
		return BucketMetadata{}, errInvalidArgument
	}
	b := newBucketMetadata(name)
	configFile := path.Join(bucketMetaPrefix, name, bucketMetadataFile)
	data, err := readConfig(ctx, api, configFile)

    /**
     * Retrieves or creates a document entity based on the form data.
     *
     * @param form the form containing document information
     * @return optional entity containing the document data, or empty if not found
     */
    public static OptionalEntity<Map<String, Object>> getDoc(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();