removes remaining back office things from underlying UmbracoUserManager moves files

src/Umbraco.Infrastructure/Security/IUserSessionStore.cs

@@ -0,0 +1,15 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Identity;
+
+namespace Umbraco.Core.Security
+{
+    /// <summary>
+    /// An IUserStore interface part to implement if the store supports validating user session Ids
+    /// </summary>
+    /// <typeparam name="TUser"></typeparam>
+    public interface IUserSessionStore<TUser> : IUserStore<TUser>
+        where TUser : class
+    {
+        Task<bool> ValidateSessionIdAsync(string userId, string sessionId);
+    }
+}