code: public ParallelTaskBuilder setHttpPollerProcessor(
              HttpPollerProcessor httpPollerProcessor) {
          this.httpMeta.setHttpPollerProcessor(httpPollerProcessor);
          this.httpMeta.setPollable(true);
          return this;
      }
docs: Sets the HTTP poller processor to handle Async API.
  Will auto enable the pollable mode with this call
  
  @param httpPollerProcessor
  the http poller processor
  @return the parallel task builder