/// <summary> /// Return 404 status code /// </summary> /// <param name='operations'> /// The operations group for this extension method. /// </param> /// <param name='cancellationToken'> /// The cancellation token. /// </param> public static async Task Head404Async(this IHttpSuccess operations, CancellationToken cancellationToken = default(CancellationToken)) { await operations.Head404WithHttpMessagesAsync(null, cancellationToken).ConfigureAwait(false); }