namespace System.Windows
{
    [TypeConverter("System.Windows.Markup.DependencyPropertyConverter, PresentationFramework, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, Custom=null")]
    [ValueSerializer(typeof(DependencyPropertyValueSerializer))]
    public sealed class DependencyProperty
    {
        public bool IsValidValue(object value);
    }
}