namespace System.Security.Cryptography.X509Certificates
{
    public class X509Certificate : IDisposable, IDeserializationCallback, ISerializable
    {
        [Obsolete("X509Certificate and X509Certificate2 are immutable. Use the appropriate constructor to create a new certificate.", DiagnosticId = "SYSLIB0026", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
        [UnsupportedOSPlatform("browser")]
        public X509Certificate();
    }
}