NullableAttribute
using Microsoft.CodeAnalysis;
namespace System.Runtime.CompilerServices
{
    [CompilerGenerated]
    [Microsoft.CodeAnalysis.Embedded]
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
    internal sealed class NullableAttribute : Attribute
    {
        public readonly byte[] NullableFlags;
        public NullableAttribute(byte P_0)
        {
            NullableFlags = new byte[1] {
                P_0
            };
        }
        public NullableAttribute(byte[] P_0)
        {
            NullableFlags = P_0;
        }
    }
}