/// <summary>
 /// Polls this job for completion.
 /// This method just creates a <see cref="JobReference"/> and delegates to <see cref="BigqueryClient.PollJobUntilCompleted(JobReference, GetJobOptions, PollSettings)"/>.
 /// </summary>
 /// <param name="options">The options for the operation. May be null, in which case defaults will be supplied.</param>
 /// <param name="pollSettings">The settings to control how often and long the job is fetched before timing out if it is still incomplete.
 /// May be null, in which case defaults will be supplied.</param>
 /// <returns>The completed job.</returns>
 public BigqueryJob PollUntilCompleted(GetJobOptions options = null, PollSettings pollSettings = null) =>
 _client.PollJobUntilCompleted(Reference, options, pollSettings);
 /// <summary>
 /// Asynchronously polls this job for completion.
 /// This method just creates a <see cref="JobReference"/> and delegates to <see cref="BigqueryClient.PollJobUntilCompletedAsync(JobReference, GetJobOptions, PollSettings, CancellationToken)"/>.
 /// </summary>
 /// <param name="options">The options for the operation. May be null, in which case defaults will be supplied.</param>
 /// <param name="pollSettings">The settings to control how often and long the job is fetched before timing out if it is still incomplete.
 /// May be null, in which case defaults will be supplied.</param>
 /// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
 /// <returns>A task representing the asynchronous operation. When complete, the result is
 /// the completed job.</returns>
 public Task <BigqueryJob> PollUntilCompletedAsync(GetJobOptions options = null, PollSettings pollSettings = null, CancellationToken cancellationToken = default(CancellationToken)) =>
 _client.PollJobUntilCompletedAsync(Reference, options, pollSettings, cancellationToken);