code: public Observable<Page<WorkerPoolResourceInner>> listWorkerPoolsNextAsync(final String nextPageLink) {
          return listWorkerPoolsNextWithServiceResponseAsync(nextPageLink)
              .map(new Func1<ServiceResponse<Page<WorkerPoolResourceInner>>, Page<WorkerPoolResourceInner>>() {
                  @Override
                  public Page<WorkerPoolResourceInner> call(ServiceResponse<Page<WorkerPoolResourceInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Get all worker pools of an App Service Environment.
  Get all worker pools of an App Service Environment.
  
  @param nextPageLink The NextLink from the previous successful call to List operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;WorkerPoolResourceInner&gt; object