public static IdentityBuilder <TUser, IdentityRole> AddIdentitySqlServer <TContext, TUser>(this ServiceCollection services)
     where TUser : IdentityUser, new()
     where TContext : DbContext
 {
     return(services.AddIdentitySqlServer <TContext, TUser, IdentityRole>());
 }
 public static IdentityBuilder <IdentityUser, IdentityRole> AddIdentitySqlServer(this ServiceCollection services)
 {
     return(services.AddIdentitySqlServer <IdentityDbContext, IdentityUser, IdentityRole>());
 }