docs: public Observable<Page<VirtualMachineScaleSetVMInner>> listAsync(final String resourceGroupName, final String virtualMachineScaleSetName) {
          return listWithServiceResponseAsync(resourceGroupName, virtualMachineScaleSetName)
              .map(new Func1<ServiceResponse<Page<VirtualMachineScaleSetVMInner>>, Page<VirtualMachineScaleSetVMInner>>() {
                  @Override
                  public Page<VirtualMachineScaleSetVMInner> call(ServiceResponse<Page<VirtualMachineScaleSetVMInner>> response) {
                      return response.body();
                  }
              });
      }