}

            @Override
            public String getIndexFieldSeqNo() {
                return "seq_no";
            }

            @Override
            public String getIndexFieldVersion() {
                return "version";
            }

            @Override
            public String[] getQueryAdditionalNotAnalyzedFields(String... fields) {
                return fields;
            }

                return "";
            }

            @Override
            public String getIndexFieldId() {
                return "_id";
            }

            @Override
            public String getIndexFieldVersion() {
                return "_version";
            }

            @Override
            public String getIndexFieldSeqNo() {
                return "_seq_no";
            }

            @Override

            public String getIndexFieldSeqNo() {
                return baseConfig.getIndexFieldSeqNo();
            }

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

            @Override
            public String getIndexFieldImportantContent() {
                return baseConfig.getIndexFieldImportantContent();

            }

            @Override
            public String getIndexFieldSeqNo() {
                return "seq_no";
            }

            @Override
            public String getIndexFieldVersion() {
                return "version";
            }
        };
    }

            return "doc_id";
        }

        @Override
        public String getIndexFieldId() {
            return "_id";
        }

        @Override
        public String getIndexFieldVersion() {
            return "_version";
        }

        @Override
        public String getIndexFieldSeqNo() {
            return "_seq_no";
        }

        @Override

            }

            @Override
            public String getIndexFieldSeqNo() {
                return "seq_no";
            }

            @Override
            public String getIndexFieldVersion() {
                return "version";
            }
        };
        ComponentUtil.setFessConfig(fessConfig);

        queryFieldConfig = new QueryFieldConfig();
        queryFieldConfig.init();

                    fessConfig.getIndexFieldSite(), //
                    fessConfig.getIndexFieldTimestamp(), //
                    fessConfig.getIndexFieldUrl(), //
                    fessConfig.getIndexFieldVersion()));
        }
        split(fessConfig.getQueryAdditionalAnalyzedFields(), ",")
                .of(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).forEach(s -> notAnalyzedFieldSet.remove(s)));

    public void test_indexFieldId() {
        assertEquals("id", fessConfig.getIndexFieldId());
    }

    @Test
    public void test_indexFieldVersion() {
        assertEquals("_version", fessConfig.getIndexFieldVersion());
    }

    @Test
    public void test_indexFieldSeqNo() {
        assertEquals("_seq_no", fessConfig.getIndexFieldSeqNo());
    }

    @Test
    public void test_indexFieldPrimaryTerm() {

                if (!newId.equals(oldId)) {
                    entity.put(fessConfig.getIndexFieldId(), newId);
                    entity.remove(fessConfig.getIndexFieldVersion());
                    final Number seqNo = (Number) entity.remove(fessConfig.getIndexFieldSeqNo());
                    final Number primaryTerm = (Number) entity.remove(fessConfig.getIndexFieldPrimaryTerm());

                if (!newId.equals(oldId)) {
                    entity.put(fessConfig.getIndexFieldId(), newId);
                    entity.remove(fessConfig.getIndexFieldVersion());
                    final Long seqNo = (Long) entity.remove(fessConfig.getIndexFieldSeqNo());
                    final Long primaryTerm = (Long) entity.remove(fessConfig.getIndexFieldPrimaryTerm());