namespace System.Runtime.CompilerServices
{
    public sealed class ConditionalWeakTable<TKey, TValue> : IEnumerable, IEnumerable<KeyValuePair<TKey!, TValue!>>
        where TKey, class
        where TValue, class
    {
        public delegate TValue! CreateValueCallback(TKey! key);
        {
            public CreateValueCallback(object object, IntPtr method);
        }
    }
}