code: public static SimpleReact parallelCommonBuilder() {
          return SimpleReact.builder()
                            .executor(ThreadPools.getStandard())
                            .async(true)
                            .build();
  
      }
docs: @return new eager SimpleReact builder configured with standard parallel executor
  By default this is the ForkJoinPool common instance but is configurable in the ThreadPools class
  
  @see ThreadPools#getStandard()
  see RetryBuilder#getDefaultInstance()