/// <inheritdoc/>
public override void Accept <TData>(IAvaloniaPropertyVisitor <TData> visitor, ref TData data)
{
visitor.Visit(this, ref data);
}
/// <summary>
/// Uses the visitor pattern to resolve an untyped property to a typed property.
/// </summary>
/// <typeparam name="TData">The type of user data passed.</typeparam>
/// <param name="vistor">The visitor which will accept the typed property.</param>
/// <param name="data">The user data to pass.</param>
public abstract void Accept <TData>(IAvaloniaPropertyVisitor <TData> vistor, ref TData data)
where TData : struct;
public override void Accept <TData>(IAvaloniaPropertyVisitor <TData> vistor, ref TData data)
{
throw new NotImplementedException();
}