}

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

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

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

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

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

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

            }

            @Override
            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";
            }

            parentUrl = pathMappingHelper.replaceUrl(sessionId, parentUrl);
            putResultDataBody(dataMap, fessConfig.getIndexFieldUrl(), parentUrl);
            putResultDataBody(dataMap, fessConfig.getIndexFieldParentId(), crawlingInfoHelper.generateId(dataMap));
            putResultDataBody(dataMap, fessConfig.getIndexFieldUrl(), url); // set again
        }
        // thumbnail

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

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