code: static ContinuableFuture<Void> executeWithThreadPool(final Try.Runnable<? extends Exception> action) {
          return execute(new FutureTask<Void>(FN.toCallable(action)), TP_EXECUTOR);
      }
docs: The action will be asynchronously executed with {@code android.io.AsyncTask#THREAD_POOL_EXECUTOR} in background.
  
  @param action
  @return