code: public PagedList<FeatureResultInner> list1(final String resourceProviderNamespace) {
          ServiceResponse<Page<FeatureResultInner>> response = list1SinglePageAsync(resourceProviderNamespace).toBlocking().single();
          return new PagedList<FeatureResultInner>(response.body()) {
              @Override
              public Page<FeatureResultInner> nextPage(String nextPageLink) {
                  return list1NextSinglePageAsync(nextPageLink).toBlocking().single().body();
              }
          };
      }
docs: Gets all the preview features in a provider namespace that are available through AFEC for the subscription.
  
  @param resourceProviderNamespace The namespace of the resource provider for getting features.
  @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;FeatureResultInner&gt; object if successful.