String query = "*";
        int allRecordCount = 1000;
        int pageSize = 10;
        try (RankFusionProcessor rankFusionProcessor = new RankFusionProcessor()) {
            rankFusionProcessor.setSeacher(new TestMainSearcher(allRecordCount));
            rankFusionProcessor.init();

            if (rankFusionProcessor.search(query, new TestSearchRequestParams(0, pageSize, 0),

     * This method is used to configure the primary searcher for rank fusion processing.
     *
     * @param searcher the RankFusionSearcher to set as the main searcher
     */
    public void setSeacher(final RankFusionSearcher searcher) {
        searchers[0] = searcher;
    }

    /**
     * Registers a new searcher with the rank fusion processor.