/// <param name='operations'> /// The operations group for this extension method. /// </param> /// <param name='materialId'> /// </param> /// <param name='lang'> /// </param> /// <param name='cancellationToken'> /// The cancellation token. /// </param> public static async Task <bool?> GetVideoIsCompletedAsync(this IMaterialApi operations, string materialId, string lang, CancellationToken cancellationToken = default(CancellationToken)) { using (var _result = await operations.GetVideoIsCompletedWithHttpMessagesAsync(materialId, lang, null, cancellationToken).ConfigureAwait(false)) { return(_result.Body); } }