final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
                if (logger.isDebugEnabled()) {
                    logger.debug("Loading KeyMatch Query: {}, Size: {}", keyMatch.getQuery(), keyMatch.getMaxSize());
                }
                getDocumentList(keyMatch).stream().map(doc -> {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Loaded KeyMatch doc: {}", doc);