namespace Microsoft.AspNetCore.Identity
{
    public abstract class TotpSecurityStampBasedTokenProvider<TUser> : IUserTwoFactorTokenProvider<TUser!>
        where TUser, class
    {
        [AsyncStateMachine(typeof(<GetUserModifierAsync>d__2))]
        public virtual Task<string!>! GetUserModifierAsync(string! purpose, UserManager<TUser!>! manager, TUser! user);
    }
}