IWrappedCollection
using System.Collections;
using System.Runtime.CompilerServices;
namespace Newtonsoft.Json.Utilities
{
    internal interface IWrappedCollection : IList, ICollection, IEnumerable
    {
        [System.Runtime.CompilerServices.Nullable(1)]
        object UnderlyingCollection {
            [System.Runtime.CompilerServices.NullableContext(1)]
            get;
        }
    }
}