final Set<String> labelSet = labelTypeHelper.getMatchedLabelValueSet(url);
                        final Script script = languageHelper.createScript(doc, "ctx._source." + fessConfig.getIndexFieldLabel()
                                + "=new String[]{" + labelSet.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(",")) + "}");
                        return builder.setScript(script);
                    }

            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override
            public String getIndexFieldLabel() {
                return "label";
            }
        };
        ComponentUtil.setFessConfig(mockFessConfig);

        // Mock LabelTypeHelper