code: public ServiceFuture<List<SkuInfoInner>> listMultiRolePoolSkusAsync(final String resourceGroupName, final String name, final ListOperationCallback<SkuInfoInner> serviceCallback) {
          return AzureServiceFuture.fromPageResponse(
              listMultiRolePoolSkusSinglePageAsync(resourceGroupName, name),
              new Func1<String, Observable<ServiceResponse<Page<SkuInfoInner>>>>() {
                  @Override
                  public Observable<ServiceResponse<Page<SkuInfoInner>>> call(String nextPageLink) {
                      return listMultiRolePoolSkusNextSinglePageAsync(nextPageLink);
                  }
              },
              serviceCallback);
      }
docs: Get available SKUs for scaling a multi-role pool.
  Get available SKUs for scaling a multi-role pool.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param name Name of the App Service Environment.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object