queryContext.addFunctionScore(list -> {
            list.add(new FilterFunctionBuilder(QueryBuilders.termQuery("status", "active"),
                    ScoreFunctionBuilders.weightFactorFunction(2.0f)));
        });

        QueryBuilder result = queryContext.getQueryBuilder();
        assertNotNull(result);
        assertTrue(result instanceof FunctionScoreQueryBuilder);
    }

                        queryMap.put(termKey, boostList);
                    }
                    boostList.add(
                            new Tuple3<>(keyMatch.getId(), boolQuery, ScoreFunctionBuilders.weightFactorFunction(keyMatch.getBoost())));
                } else if (logger.isDebugEnabled()) {
                    logger.debug("No KeyMatch boost docs");
                }

                waitForNext();