return "hello" + string(es), nil
}

type CustomSerializer struct {
	prefix []byte
}

func NewCustomSerializer(prefix string) *CustomSerializer {
	return &CustomSerializer{prefix: []byte(prefix)}
}

func (c *CustomSerializer) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {

        // Default constructor
    }

    /**
     * Gets the path prefix for API endpoints.
     * @return The path prefix.
     */
    public String getPathPrefix() {
        return pathPrefix;
    }

    /**
     * Sets the path prefix for API endpoints.
     * @param pathPrefix The path prefix to set.
     */
    public void setPathPrefix(final String pathPrefix) {

	Bucket string

	// Directory inside the bucket.
	// When unset listPath will set this based on Prefix
	BaseDir string

	// Scan/return only content with prefix.
	Prefix string

	// FilterPrefix will return only results with this prefix when scanning.
	// Should never contain a slash.
	// Prefix should still be set.
	FilterPrefix string

	// Marker to resume listing.

        private String lastScript;
        private Map<String, Object> lastParams;
        private final String prefix;

        public TestScriptEngine() {
            this.prefix = "";
        }

        public TestScriptEngine(String prefix) {
            this.prefix = prefix + ":";
        }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {

     * Creates an encoded parent directory ID from a path prefix.
     *
     * @param prefix the current path prefix
     * @return encoded parent directory ID, or empty string if at root
     */
    protected static String createParentId(final String prefix) {
        if (prefix == null) {
            return StringUtil.EMPTY;
        }
        final String[] values = prefix.split("/");
        if (values.length > 1) {

        String queryString = result.toString();
        // Should contain a prefix query for the last word (since no trailing space)
        assertTrue("Should contain prefix query", queryString.contains("prefix"));
        assertTrue("Should query reading_0", queryString.contains("reading_0"));
    }

    @Test

		}
		err = werr
	}
}

// stringsHasPrefixFold tests whether the string s begins with prefix ignoring case.
func stringsHasPrefixFold(s, prefix string) bool {
	// Test match with case first.
	return len(s) >= len(prefix) && (s[0:len(prefix)] == prefix || strings.EqualFold(s[0:len(prefix)], prefix))
}

func ptr[T any](a T) *T {
	return &a
}

				return
			}
		case "Bucket":
			z.Bucket, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Bucket")
				return
			}
		case "Prefix":
			err = z.Prefix.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "Prefix")
				return
			}
		case "NotificationCfg":
			err = z.NotificationCfg.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "NotificationCfg")
				return

     * Useful for debugging and displaying content with line references.
     *
     * @param prefix the prefix to add before each line number
     * @param content the content to add line numbers to
     * @return the content with line numbers prepended, or empty string if content is blank
     */
    public String appendLineNumber(final String prefix, final String content) {

            xpackPatternSet.setIncludes(includeXpack.get().stream().map(prefix -> prefix + "*/**").collect(Collectors.toList()));
            xpackFileTree = xpackConfigToFileTree.apply(xpackConfig).matching(xpackPatternSet);
        }
        if (includeCore.get().isEmpty() == false) {
            corePatternSet.setIncludes(includeCore.get().stream().map(prefix -> prefix + "*/**").collect(Collectors.toList()));