/// <summary>
/// Cancel an existing run.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='resourceGroupName'>
/// The name of the resource group to which the container registry belongs.
/// </param>
/// <param name='registryName'>
/// The name of the container registry.
/// </param>
/// <param name='runId'>
/// The run ID.
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async System.Threading.Tasks.Task CancelAsync(this IRunsOperations operations, string resourceGroupName, string registryName, string runId, CancellationToken cancellationToken = default(CancellationToken))
{
(await operations.CancelWithHttpMessagesAsync(resourceGroupName, registryName, runId, null, cancellationToken).ConfigureAwait(false)).Dispose();
}