// Override to return empty string instead of null to avoid NullPointerException
                return "";
            }

            @Override
            public String getIndexFieldTitle() {
                return "title";
            }

            @Override
            public String getIndexFieldContent() {
                return "content";
            }

            @Override

                } catch (Exception e) {
                    throw new RuntimeException("Failed to initialize prop field", e);
                }
            }

            @Override
            public String getIndexFieldTitle() {
                return "title";
            }

            @Override
            public String getIndexFieldContent() {
                return "content";
            }

            @Override

            @Override
            public String getIndexFieldUrl() {
                return "url";
            }

            @Override
            public String getIndexFieldTitle() {
                return "title";
            }
        });
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);

                this.queryString = queryString.substring(ALLINURL_FIELD_PREFIX.length());
            } else if (queryString.startsWith(ALLINTITLE_FIELD_PREFIX)) {
                defaultField = ComponentUtil.getFessConfig().getIndexFieldTitle();
                this.queryString = queryString.substring(ALLINTITLE_FIELD_PREFIX.length());
            } else {
                this.queryString = queryString;
            }
        } else {

            @Override
            public String get(String key) {
                return baseConfig.get(key);
            }

            @Override
            public String getIndexFieldTitle() {
                return baseConfig.getIndexFieldTitle();
            }

            @Override
            public String getIndexFieldContent() {
                return baseConfig.getIndexFieldContent();
            }

                return 50;
            }

            @Override
            public Integer getQueryPrefixSlopAsInteger() {
                return 0;
            }

            public String getIndexFieldTitle() {
                return "title";
            }

            public String getIndexFieldContent() {
                return "content";
            }

                // Override to return empty string instead of null to avoid NullPointerException
                return "";
            }

            @Override
            public String getIndexFieldTitle() {
                return "title";
            }

            @Override
            public String getIndexFieldContent() {
                return "content";
            }

            @Override

            }

            @Override
            public String getIndexFieldCreated() {
                return "created";
            }

            @Override
            public String getIndexFieldTitle() {
                return "title";
            }

            @Override
            public String getIndexFieldDigest() {
                return "digest";
            }

            @Override

            }

            @Override
            public String getIndexFieldCreated() {
                return "created";
            }

            @Override
            public String getIndexFieldTitle() {
                return "title";
            }

            @Override
            public String getIndexFieldDigest() {
                return "digest";
            }

            @Override

                    fessConfig.getIndexFieldFiletype(), //
                    fessConfig.getIndexFieldFilename(), //
                    fessConfig.getIndexFieldCreated(), //
                    fessConfig.getIndexFieldTitle(), //
                    fessConfig.getIndexFieldDigest(), //
                    fessConfig.getIndexFieldUrl(), //
                    fessConfig.getIndexFieldThumbnail(), //