INotifySystemClockChanged
(Infrastructure) Provides a mechanism to notify local schedulers about system clock changes.
            
                using System.ComponentModel;
using System.Runtime.CompilerServices;
namespace System.Reactive.PlatformServices
{
    [System.Runtime.CompilerServices.NullableContext(1)]
    [EditorBrowsable(EditorBrowsableState.Never)]
    public interface INotifySystemClockChanged
    {
        event EventHandler<SystemClockChangedEventArgs> SystemClockChanged;
    }
}