namespace System.Security.Cryptography
{
    [EditorBrowsable(EditorBrowsableState.Never)]
    [Obsolete("The Rijndael and RijndaelManaged types are obsolete. Use Aes instead.", DiagnosticId = "SYSLIB0022", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
    [UnsupportedOSPlatform("browser")]
    public sealed class RijndaelManaged : Rijndael
    {
        public override ICryptoTransform! CreateDecryptor(byte[]! rgbKey, byte[]? rgbIV);
    }
}