namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore
{
    public abstract class IdentityUserContext<TUser, TKey, TUserClaim, TUserLogin, TUserToken> : DbContext
        where TUser, IdentityUser<TKey>!
        where TKey, IEquatable<TKey>!
        where TUserClaim, IdentityUserClaim<TKey>!
        where TUserLogin, IdentityUserLogin<TKey>!
        where TUserToken, IdentityUserToken<TKey>!
    {
        protected virtual Version! SchemaVersion { get; }
    }
}