Expose Elasticsearch Scroll API in ElasticSearchService

        ElasticSearchService ess = Framework.getService(ElasticSearchService.class);

        // Perform initial search and get first batch of 20 results
        String query = "SELECT * FROM Document ORDER BY ecm:path";
        EsScrollResult scrollResult = ess.scroll(new NxQueryBuilder(session).nxql(query).limit(20), 10000);

        while (true) {
            DocumentModelList batchOfDocs = scrollResult.getDocuments();
            if (batchOfDocs.isEmpty()) {
                // No more documents to handle
                break;
            }
            for (DocumentModel doc : batchOfDocs) {
                // Process document
                ...
            }
            // Get next batch of results
            scrollResult= ess.scroll(scrollResult);
        }