namespace System
{
    [AttributeUsage(AttributeTargets.All, AllowMultiple = false, Inherited = true)]
    [ClassInterface(ClassInterfaceType.None)]
    [ComDefaultInterface(typeof(_Attribute))]
    [ComVisible(true)]
    public abstract class Attribute : _Attribute
    {
        public static Attribute[] GetCustomAttributes(Assembly element);
    }
}