*/
    public static class ContentTransformer implements Transformer {
        private final String name;
        private final Map<String, String> transformationRules = new HashMap<>();

        public ContentTransformer(String name) {
            this.name = name;
        }

        public void addTransformationRule(String pattern, String replacement) {
            transformationRules.put(pattern, replacement);
        }

	testCases := []struct {
		bucketName      string
		objName         string
		uploadID        string
		PartID          int
		inputReaderData string
		inputMd5        string
		inputSHA256     string
		inputDataSize   int64
		// flag indicating whether the test should pass.
		shouldPass bool
		// expected error output.
		expectedMd5   string
		expectedError error
	}{
		// Test case  1-4.

     *
     * @return list of environment variable items
     */
    public static List<Map<String, String>> getEnvItems() {
        final List<Map<String, String>> itemList = new ArrayList<>();
        for (final Map.Entry<String, String> entry : System.getenv().entrySet()) {
            itemList.add(createItem(entry.getKey(), entry.getValue()));
        }
        return itemList;

     * @return The environment for LDAP connection.
     */
    protected Hashtable<String, String> createEnvironment(final String initialContextFactory, final String securityAuthentication,
            final String providerUrl, final String principal, final String credntials) {
        final Hashtable<String, String> env = new Hashtable<>();
        putEnv(env, Context.INITIAL_CONTEXT_FACTORY, initialContextFactory);

    /** createdBy */
    protected String createdBy;

    /** createdTime */
    protected Long createdTime;

    /** suggestWord */
    protected String suggestWord;

    /** targetLabel */
    protected String targetLabel;

    /** targetRole */
    protected String targetRole;

    /** updatedBy */
    protected String updatedBy;

    /** updatedTime */

    }
  }

  private static class Request {
    final String methodName;
    final Object[] arguments;

    Request(String methodName, Object[] arguments) {
      this.methodName = checkNotNull(methodName);
      this.arguments = checkNotNull(arguments);
    }
  }

  private static class Response {
    final String methodName;
    final Object result;
    final Throwable throwable;

        int startCount;

        int requestCount;

        int exceptionCount;

        int endCount;

        String requestUrl;

        String exceptionUrl;

        String requestMethod;

        @Override
        public void onRequestStart(final FaultTolerantClient client, final RequestData request) {
            startCount++;
        }

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     */
    public Tokenizer(final String str) {
        this(str, defaultCtype);
    }

    /**
     * Creates a {@link Tokenizer}.
     *
     * @param str
     *            The string. Must not be {@literal null}.
     * @param ctype

        }
    }

    /**
     * Converts a pattern string to a plain pattern string without delimiters.
     *
     * @param pattern
     *            The pattern string.
     * @return The plain pattern string without delimiters.
     */
    protected static String toPlainPattern(final String pattern) {
        final StringBuilder buf = new StringBuilder(pattern.length());

		values                    url.Values
		prefix, marker, delimiter string
		maxKeys                   int
		encodingType              string
	}{
		{
			values: url.Values{
				"prefix":        []string{"photos/"},
				"marker":        []string{"test"},
				"delimiter":     []string{SlashSeparator},
				"max-keys":      []string{"100"},
				"encoding-type": []string{"gzip"},
			},
			prefix:       "photos/",