@Beta
  public Future<HttpResponse> executeAsync() {
    return executeAsync(
        Executors.newFixedThreadPool(1, new ThreadFactoryBuilder().setDaemon(true).build()));
  }
@ Beta public Future < HttpResponse > executeAsync ( ) { return executeAsync ( Executors . newFixedThreadPool ( 1 , new ThreadFactoryBuilder ( ) . setDaemon ( true ) . build ( ) ) ) ; }
{@link Beta} <br>
Executes this request asynchronously using {@link #executeAsync(Executor)} in a single separate
thread using {@link Executors#newFixedThreadPool(1)}.

@return A future for accessing the results of the asynchronous request.
@since 1.13