Missing.cs

using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security;

namespace System.Reflection
{
    [Serializable]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public sealed class Missing : ISerializable
    {
        [__DynamicallyInvokable]
        public static readonly Missing Value = new Missing();

        private Missing()
        {
        }

        [SecurityCritical]
        void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
        {
            if (info == null)
            {
                throw new ArgumentNullException("info");
            }
            UnitySerializationHolder.GetUnitySerializationInfo(info, this);
        }
    }
}