return baseConfig.getIndexFieldFavoriteCount();
            }

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

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

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

            @Override
            public int getCrawlingThreadCount() {
                return 1; // Reduced from 2 to minimize thread overhead
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldSegment() {
                return "segment";
            }

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

            }

            @Override
            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

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

            @Override

        assertEquals("click_count", fessConfig.getIndexFieldClickCount());
    }

    @Test
    public void test_indexFieldConfigId() {
        assertEquals("config_id", fessConfig.getIndexFieldConfigId());
    }

    @Test
    public void test_indexFieldExpires() {
        assertEquals("expires", fessConfig.getIndexFieldExpires());
    }

    @Test
    public void test_indexFieldUrl() {

     * The value is, e.g. config_id <br>
     * comment: Field name for config ID in the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldConfigId();

    /**
     * Get the value for the key 'index.field.expires'. <br>
     * The value is, e.g. expires <br>
     * comment: Field name for expiration date in the index.