code: public DeploymentOperationInner get(String resourceGroupName, String deploymentName, String operationId) {
          return getWithServiceResponseAsync(resourceGroupName, deploymentName, operationId).toBlocking().single().body();
      }
docs: Gets a deployments operation.
  
  @param resourceGroupName The name of the resource group. The name is case insensitive.
  @param deploymentName The name of the deployment.
  @param operationId The ID of the operation to get.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the DeploymentOperationInner object if successful.