code: public Observable<Page<DeploymentOperationInner>> listByResourceGroupAsync(final String resourceGroupName, final String deploymentName, final Integer top) {
          return listByResourceGroupWithServiceResponseAsync(resourceGroupName, deploymentName, top)
              .map(new Func1<ServiceResponse<Page<DeploymentOperationInner>>, Page<DeploymentOperationInner>>() {
                  @Override
                  public Page<DeploymentOperationInner> call(ServiceResponse<Page<DeploymentOperationInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Gets all deployments operations for a deployment.
  
  @param resourceGroupName The name of the resource group. The name is case insensitive.
  @param deploymentName The name of the deployment with the operation to get.
  @param top The number of results to return.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;DeploymentOperationInner&gt; object