assertEquals(1, indexingHelper.deleteChildDocument(client, id));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(id, resultMap.get("id"));
        assertEquals("parent_id", resultMap.get("field"));
    }

    @Test
    public void test_getChildDocumentList() {
        documentSizeByQuery = 1L;
        final Map<String, String> resultMap = new HashMap<>();

                                    <label for="doc.parent_id" class="col-sm-3 text-sm-right col-form-label">parent_id</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.parent_id"/>
                                        <la:text styleId="doc.parent_id" property="doc.parent_id" styleClass="form-control"/>
                                    </div>

            "filename", "content", "has_cache", "cache", "digest", "host", "site", "segment", "config_id", "parent_id", "content_length",
            "favorite_count", "click_count", "created", "timestamp", "last_modified", "expires", "virtual_host", "doc_id");

            public String getIndexFieldExpires() {
                return "expires";
            }

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

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

            @Override

            public String getIndexFieldExpires() {
                return "expires";
            }

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

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

            @Override

        "type": "date",
        "format": "date_optional_time"
      },
      "location": {
        "type": "geo_point"
      },
      "mimetype": {
        "type": "keyword"
      },
      "parent_id": {
        "type": "keyword"
      },
      "role": {
        "type": "keyword"
      },
      "label": {
        "type": "keyword"
      },
      "virtual_host": {
        "type": "keyword"

        "type": "date",
        "format": "date_optional_time"
      },
      "location": {
        "type": "geo_point"
      },
      "mimetype": {
        "type": "keyword"
      },
      "parent_id": {
        "type": "keyword"
      },
      "role": {
        "type": "keyword"
      },
      "label": {
        "type": "keyword"
      },
      "virtual_host": {
        "type": "keyword"

        "type": "date",
        "format": "date_optional_time"
      },
      "location": {
        "type": "geo_point"
      },
      "mimetype": {
        "type": "keyword"
      },
      "parent_id": {
        "type": "keyword"
      },
      "role": {
        "type": "keyword"
      },
      "label": {
        "type": "keyword"
      },
      "virtual_host": {
        "type": "keyword"

index.field.timestamp=timestamp
# Field name for label in the index.
index.field.label=label
# Field name for MIME type in the index.
index.field.mimetype=mimetype
# Field name for parent ID in the index.
index.field.parent_id=parent_id
# Field name for important content in the index.
index.field.important_content=important_content
# Field name for content in the index.
index.field.content=content

    /** The key of the configuration. e.g. mimetype */
    String INDEX_FIELD_MIMETYPE = "index.field.mimetype";

    /** The key of the configuration. e.g. parent_id */
    String INDEX_FIELD_parent_id = "index.field.parent_id";

    /** The key of the configuration. e.g. important_content */
    String INDEX_FIELD_important_content = "index.field.important_content";