/// <summary>
 /// Polls this job for completion, which must be a query job.
 /// This method just creates a <see cref="JobReference"/> and delegates to <see cref="BigQueryClient.PollQueryUntilCompleted(JobReference, GetQueryResultsOptions, 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 BigQueryResults PollQueryUntilCompleted(GetQueryResultsOptions options = null, PollSettings pollSettings = null) =>
 _client.PollQueryUntilCompleted(Reference, options, pollSettings);