}

            @Override
            public String getIndexFieldParentId() {
                return "parent_id";
            }

            @Override
            public String getIndexFieldPrimaryTerm() {
                return "primary_term";
            }

            @Override
            public String getIndexFieldRole() {
                return "role";
            }

            }

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

            @Override
            public String getIndexFieldPrimaryTerm() {
                return "_primary_term";
            }
        });
    }

    // ===================================================================================

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

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

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

            }

            @Override
            public String getIndexFieldParentId() {
                return "parent_id";
            }

            @Override
            public String getIndexFieldPrimaryTerm() {
                return "primary_term";
            }

            @Override
            public String getIndexFieldRole() {
                return "role";
            }

            return "_version";
        }

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

        @Override
        public String getIndexFieldPrimaryTerm() {
            return "_primary_term";
        }

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

        @Override

            }

            @Override
            public String getIndexFieldParentId() {
                return "parent_id";
            }

            @Override
            public String getIndexFieldPrimaryTerm() {
                return "primary_term";
            }

            @Override
            public String getIndexFieldRole() {
                return "role";
            }

            form.id = (String) entity.remove(fessConfig.getIndexFieldId());
            form.seqNo = (Long) entity.remove(fessConfig.getIndexFieldSeqNo());
            form.primaryTerm = (Long) entity.remove(fessConfig.getIndexFieldPrimaryTerm());
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), this::asListHtml);
        });
        currentForm = form;

                    fessConfig.getIndexFieldLastModified(), //
                    fessConfig.getIndexFieldMimetype(), //
                    fessConfig.getIndexFieldParentId(), //
                    fessConfig.getIndexFieldPrimaryTerm(), //
                    fessConfig.getIndexFieldRole(), //
                    fessConfig.getIndexFieldSegment(), //
                    fessConfig.getIndexFieldSeqNo(), //

        assertEquals("_seq_no", fessConfig.getIndexFieldSeqNo());
    }

    @Test
    public void test_indexFieldPrimaryTerm() {
        assertEquals("_primary_term", fessConfig.getIndexFieldPrimaryTerm());
    }

    @Test
    public void test_indexFieldLang() {
        assertEquals("lang", fessConfig.getIndexFieldLang());
    }

    @Test
    public void test_indexFieldHasCache() {

                    final Number seqNo = (Number) entity.remove(fessConfig.getIndexFieldSeqNo());
                    final Number primaryTerm = (Number) entity.remove(fessConfig.getIndexFieldPrimaryTerm());
                    if (seqNo != null && primaryTerm != null && oldId != null) {
                        searchEngineClient.delete(index, oldId, seqNo, primaryTerm);
                    }
                }