// TODO: Make this a built-in API
public static async Task <DurableOrchestrationStatus> WaitForCompletionAsync(
this IDurableOrchestrationClient client,
string instanceId,
TimeSpan timeout)
{
using CancellationTokenSource cts = new CancellationTokenSource(timeout);
return(await client.WaitForCompletionAsync(instanceId, cts.Token));
}