code: public PagedList<UsageInner> listWebWorkerUsagesNext(final String nextPageLink) {
          ServiceResponse<Page<UsageInner>> response = listWebWorkerUsagesNextSinglePageAsync(nextPageLink).toBlocking().single();
          return new PagedList<UsageInner>(response.body()) {
              @Override
              public Page<UsageInner> nextPage(String nextPageLink) {
                  return listWebWorkerUsagesNextSinglePageAsync(nextPageLink).toBlocking().single().body();
              }
          };
      }
docs: Get usage metrics for a worker pool of an App Service Environment.
  Get usage metrics for a worker pool 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
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the PagedList&lt;UsageInner&gt; object if successful.