code: public Observable<List<CapabilityInner>> listCapabilitiesAsync(String resourceGroupName, String name) {
          return listCapabilitiesWithServiceResponseAsync(resourceGroupName, name).map(new Func1<ServiceResponse<List<CapabilityInner>>, List<CapabilityInner>>() {
              @Override
              public List<CapabilityInner> call(ServiceResponse<List<CapabilityInner>> response) {
                  return response.body();
              }
          });
      }
docs: List all capabilities of an App Service plan.
  List all capabilities of an App Service plan.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param name Name of the App Service plan.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the List&lt;CapabilityInner&gt; object