# Microsoft.AspNetCore.Identity

``` diff
 namespace Microsoft.AspNetCore.Identity {
     public class ClaimsIdentityOptions {
+        public string EmailClaimType { get; set; }
     }
     public class IdentityBuilder {
+        public virtual IdentityBuilder AddUserConfirmation<TUserConfirmation>() where TUserConfirmation : class;
     }
     public class UserManager<TUser> : IDisposable where TUser : class {
-        protected static string GetChangeEmailTokenPurpose(string newEmail);
+        public static string GetChangeEmailTokenPurpose(string newEmail);
     }
 }
```

