RenderDataUtil.register(data, "currentPageNumber", currentPageNumber);
            RenderDataUtil.register(data, "allRecordCount", allRecordCount);
            RenderDataUtil.register(data, "allRecordCountRelation", allRecordCountRelation);
            RenderDataUtil.register(data, "allPageCount", allPageCount);
            RenderDataUtil.register(data, "existNextPage", existNextPage);

            final String currentPageNumber = Integer.toString(data.getCurrentPageNumber());
            final String allRecordCount = Long.toString(data.getAllRecordCount());
            final String allRecordCountRelation = data.getAllRecordCountRelation();
            final String allPageCount = Integer.toString(data.getAllPageCount());
            final List<Map<String, Object>> documentItems = data.getDocumentItems();

                doc.put("title", "Document " + i);
                builder.addDocument(doc);
            }
            builder.allRecordCount(10);
            builder.allRecordCountRelation(Relation.EQUAL_TO.toString());
            return builder.build();
        }
    }

    /**
     * Searcher that returns documents with null ID field.
     */

                doc.put("score", 1.0f / (i + 1));
                builder.addDocument(doc);
            }
            builder.allRecordCount(allRecordCount);
            builder.allRecordCountRelation(Relation.EQUAL_TO.toString());
            return builder.build();
        }
    }

    /**
     * Test searcher that returns documents with fixed IDs.
     */

        searchResponseOpt.ifPresent(searchResponse -> {
            final SearchHits searchHits = searchResponse.getHits();
            builder.allRecordCount(searchHits.getTotalHits().value());
            builder.allRecordCountRelation(searchHits.getTotalHits().relation().toString());
            builder.queryTime(searchResponse.getTook().millis());

            if (searchResponse.getTotalShards() != searchResponse.getSuccessfulShards()) {

                doc.put("score", 1.0f / (i + 1));
                builder.addDocument(doc);
            }
            builder.allRecordCount(allRecordCount);
            builder.allRecordCountRelation(Relation.EQUAL_TO.toString());
            return builder.build();
        }
    }

    /**
     * Test search request parameters implementation.
     */

                builder.addDocument(doc);
            }
            builder.allRecordCount(allRecordCount);
            if (allRecordCount < 10000) {
                builder.allRecordCountRelation(Relation.EQUAL_TO.toString());
            }
            return builder.build();
        }
    }

    static class TestSubSearcher extends RankFusionSearcher {

        private int mainSize;