code: public Observable<Object> getContentAsync(String resourceGroupName, String automationAccountName, String nodeId, String reportId) {
          return getContentWithServiceResponseAsync(resourceGroupName, automationAccountName, nodeId, reportId).map(new Func1<ServiceResponse<Object>, Object>() {
              @Override
              public Object call(ServiceResponse<Object> response) {
                  return response.body();
              }
          });
      }
docs: Retrieve the Dsc node reports by node id and report id.
  
  @param resourceGroupName Name of an Azure Resource group.
  @param automationAccountName The name of the automation account.
  @param nodeId The Dsc node id.
  @param reportId The report id.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the Object object