public final ParallelFlux<T> doAfterTerminate(Runnable afterTerminate){
  Objects.requireNonNull(afterTerminate,"afterTerminate");
  return doOnSignal(this,null,null,null,null,afterTerminate,null,null,null);
}

public final ParallelFlux < T > doAfterTerminate ( Runnable afterTerminate ) { Objects . requireNonNull ( afterTerminate , "afterTerminate" ) ; return doOnSignal ( this , null , null , null , null , afterTerminate , null , null , null ) ; }
run the specified runnable when a ' rail ' completes or signals an error .
