namespace System.Security
{
    [Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId = "SYSLIB0003", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
    public class PermissionSet : ICollection, IEnumerable, IDeserializationCallback, ISecurityEncodable, IStackWalk
    {
        [Obsolete]
        public static byte[]! ConvertPermissionSet(string! inFormat, byte[]! inData, string! outFormat);
    }
}