namespace Microsoft.AspNetCore.Identity
{
    public class TwoFactorSecurityStampValidator<TUser> : SecurityStampValidator<TUser!>, ISecurityStampValidator, ITwoFactorSecurityStampValidator
        where TUser, class
    {
        [Obsolete("ISystemClock is obsolete, use TimeProvider on SecurityStampValidatorOptions instead.")]
        public TwoFactorSecurityStampValidator(IOptions<SecurityStampValidatorOptions!>! options, SignInManager<TUser!>! signInManager, ISystemClock! clock, ILoggerFactory! logger);
    }
}