algoliasearch/src/main/java/com/algolia/search/saas/Client.java
public Request multipleQueriesAsync(final @NonNull List<IndexQuery> queries, final MultipleQueriesStrategy strategy, @Nullable final RequestOptions requestOptions, @NonNull CompletionHandler completionHandler) {
        return new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override
            protected JSONObject run() throws AlgoliaException {
                return multipleQueries(queries, strategy == null ? null : strategy.toString(), requestOptions);
            }
        }.start();
    }
public Request multipleQueriesAsync(final @NonNull List<IndexQuery> queries, final MultipleQueriesStrategy strategy, @Nullable final RequestOptions requestOptions, @NonNull CompletionHandler completionHandler) {
        return new AsyncTaskRequest(completionHandler) {
            @NonNull
            @Override
            protected JSONObject run() throws AlgoliaException {
                return multipleQueries(queries, strategy == null ? null : strategy.toString(), requestOptions);
            }
        }.start();
    }
Run multiple queries, potentially targeting multiple indexes, with one API call.

@param queries           The queries to run.
@param strategy          The strategy to use.
@param requestOptions    Request-specific options.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.