/// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='gradeChangedCommand'>
 /// </param>
 /// <param name='lang'>
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task GradeChangedAsync(this INotificationsApi operations, LMSApplicationCoreCommandsNotiificationsGradeChangedCommand gradeChangedCommand, string lang, CancellationToken cancellationToken = default(CancellationToken))
 {
     (await operations.GradeChangedWithHttpMessagesAsync(gradeChangedCommand, lang, null, cancellationToken).ConfigureAwait(false)).Dispose();
 }