public static bool TryGetValueStream <TValue>(
     this IProgrammingInterface api,
     ValueStreamIdentitfier <TValue> identifier,
     out IValueStream <TValue> invocator)
 {
     return(api.TryGetValueStream(identifier.Identifier, out invocator));
 }
 public bool Equals(ValueStreamIdentitfier <TValue> other) => Identifier.Equals(other.Identifier);