<PackageReference Include="System.Reactive" Version="7.0.0-preview.1" />

System.Reactive.Concurrency.TaskObservationOptions

public sealed class TaskObservationOptions
namespace System.Reactive.Concurrency { public sealed class TaskObservationOptions { public IScheduler Scheduler { get; } public bool IgnoreExceptionsAfterUnsubscribe { get; } public TaskObservationOptions(IScheduler scheduler, bool ignoreExceptionsAfterUnsubscribe); } }