*/
    public interface ArrayType {

        /**
         * @return Class
         */
        Class<String>[] arrayOfStringClass();
    }

    /**
     *
     */
    public interface ListType {

        /**
         * @return List
         */
        List<String> listOfString();

        /**
         * @return List
         */
        List<Class<?>> listOfClass();

     * @param field The field name to check.
     * @return The actual field name to use for searching.
     */
    protected String getSearchField(final String defaultField, final String field) {
        if (Constants.DEFAULT_FIELD.equals(field) && defaultField != null) {
            return defaultField;
        }
        return field;
    }

    /**

    }

    static class TestEnvVarSource implements OperatingSystemUtils.EnvVarSource {
        private final Map<String, String> envVarMap;

        TestEnvVarSource(Map<String, String> envVarMap) {
            this.envVarMap = envVarMap;
        }

        @Override
        public Map<String, String> getEnvMap() {
            return envVarMap;
        }
    }

    }

    protected Optional<Map<String, String>> collectMapIfPresentOrEmpty(
            Function<O, Optional<Map<String, String>>> getter) {
        int had = 0;
        HashMap<String, String> items = new HashMap<>();
        for (O option : options) {
            Optional<Map<String, String>> up = getter.apply(option);
            if (up.isPresent()) {
                had++;

		t.Errorf("Failed to generate sql, got %v", stmt2.SQL.String())
	}
}

type ageInt int8

func (ageInt) String() string {
	return "age"
}

type ageBool bool

func (ageBool) String() string {
	return "age"
}

type ageUint64 uint64

func (ageUint64) String() string {
	return "age"
}

type ageFloat float64

type ConnDialer func(ctx context.Context, address string) (net.Conn, error)

// ConnectWSWithRoutePath is like ConnectWS but with a custom grid route path.
func ConnectWSWithRoutePath(dial ContextDialer, auth AuthFn, tls *tls.Config, routePath string) func(ctx context.Context, remote string) (net.Conn, error) {
	return func(ctx context.Context, remote string) (net.Conn, error) {
		toDial := strings.Replace(remote, "http://", "ws://", 1)

// getScope generate a string of a specific date, an AWS region, and a service.
func getScope(t time.Time, region string) string {
	scope := strings.Join([]string{
		t.Format(yyyymmdd),
		region,
		string(serviceS3),
		"aws4_request",
	}, SlashSeparator)
	return scope
}

// getStringToSign a string based on selected query values.
func getStringToSign(canonicalRequest string, t time.Time, scope string) string {

        // Verify front matter metadata
        final String[] titles = extractData.getValues("frontmatter.title");
        assertNotNull(titles);
        assertEquals("Sample Markdown Document", titles[0]);

        final String[] authors = extractData.getValues("frontmatter.author");
        assertNotNull(authors);
        assertEquals("John Doe", authors[0]);

        final String[] dates = extractData.getValues("frontmatter.date");

		}
		token = string(decodedToken)
	}
	return prefix, token, startAfter, delimiter, fetchOwner, maxkeys, encodingType, errCode
}

// Parse bucket url queries for ?uploads
func getBucketMultipartResources(values url.Values) (prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int, encodingType string, errCode APIErrorCode) {
	errCode = ErrNone

                + String.valueOf((char) 0x000A) // line feed
                + String.valueOf((char) 0x000D) // carriage return
                + String.valueOf((char) 0xD7FF) + String.valueOf((char) 0xE000) + String.valueOf((char) 0xFFFD);
        String result = XmlUtil.stripInvalidXMLCharacters(input);
        assertNotNull(result);
    }

    public void test_getDataMap_simpleField() throws Exception {