code: static <T> ParallelFlowable<T> wrap(
              ParallelFlowable<T> source, Collection<ReactiveInstrumenter> instrumentations) {
          return new RxInstrumentedParallelFlowable<>(source, instrumentations);
      }
docs: Wrap a parallel flowable.
  @param source The source
  @param instrumentations The instrumentations
  @param <T> The type
  @return The wrapped subscriber