}

            @Override
            public String getIndexFieldClickCount() {
                return "click_count";
            }

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

            @Override
            public boolean getIndexerClickCountEnabledAsBoolean() {
                return true;
            }

            }

            @Override
            public String getIndexFieldClickCount() {
                return "click_count";
            }

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

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

                return baseConfig.getIndexFieldClickCount();
            }

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

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

            }

            @Override
            public String getIndexFieldClickCount() {
                return "click_count";
            }

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

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

            }

            @Override
            public String getIndexFieldClickCount() {
                return "click_count";
            }

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

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

            return "boost";
        }

        @Override
        public String getIndexFieldClickCount() {
            return "click_count";
        }

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

        @Override
        public boolean getIndexerThreadDumpEnabledAsBoolean() {
            return false;
        }

            }

            @Override
            public String getIndexFieldClickCount() {
                return "click_count";
            }

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

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

                                    .createScript(doc, "ctx._source." + fessConfig.getIndexFieldFavoriteCount() + "+=1");
                            builder.setScript(script);
                            final Map<String, Object> upsertMap = new HashMap<>();
                            upsertMap.put(fessConfig.getIndexFieldFavoriteCount(), 1);
                            builder.setUpsert(upsertMap);

    }

    // Test index field configurations
    @Test
    public void test_indexFieldFavoriteCount() {
        assertEquals("favorite_count", fessConfig.getIndexFieldFavoriteCount());
    }

    @Test
    public void test_indexFieldClickCount() {
        assertEquals("click_count", fessConfig.getIndexFieldClickCount());
    }

    @Test

     * comment: Field name for favorite count in the index.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexFieldFavoriteCount();

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