TransportContext.cs

using System.Collections.Generic;
using System.Security.Authentication.ExtendedProtection;

namespace System.Net
{
    [global::__DynamicallyInvokable]
    public abstract class TransportContext
    {
        [global::__DynamicallyInvokable]
        public abstract ChannelBinding GetChannelBinding(ChannelBindingKind kind);

        public virtual IEnumerable<TokenBinding> GetTlsTokenBindings()
        {
            throw new NotSupportedException();
        }

        [global::__DynamicallyInvokable]
        protected TransportContext()
        {
        }
    }
}