*/
    public long getDocumentWordsNum() {
        return getNum(QueryBuilders.rangeQuery(FieldNames.DOC_FREQ).gte(1));
    }

    /**
     * Returns the number of query words in the suggestion index.
     * @return The number of query words.
     */
    public long getQueryWordsNum() {
        return getNum(QueryBuilders.rangeQuery(FieldNames.QUERY_FREQ).gte(1));
    }

                        return rangeQueryBuilder;
                    }
                }
            }
        }
        RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery(name);
        addRangeC(rangeQueryBuilder, ck, value);
        regQ(rangeQueryBuilder);
        return rangeQueryBuilder;
    }

                        return rangeQueryBuilder;
                    }
                }
            }
        }
        RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery(name);
        addRangeC(rangeQueryBuilder, ck, value);
        regQ(rangeQueryBuilder);
        return rangeQueryBuilder;
    }

            if (!Constants.FALSE.equals(initParamMap.getAsString(KEEP_EXPIRES_DOCS))) {
                final QueryBuilder expiresCheckQuery = QueryBuilders.boolQuery()//
                        .mustNot(QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).gt("now"))//
                        .mustNot(QueryBuilders.existsQuery(fessConfig.getIndexFieldExpires()));
                queryBuilder.must(expiresCheckQuery);
            }