namespace System.Threading { partial class EventWaitHandle { public bool Set () => throw new NotImplementedException (); public bool Reset () => throw new NotImplementedException (); private void CreateEventCore (bool initialState, EventResetMode mode, string name, out bool createdNew) => throw new NotImplementedException (); private static OpenExistingResult OpenExistingWorker(string name, out EventWaitHandle result) => throw new NotImplementedException (); } }