diff --git a/Mango.Nop.Core/Class1.cs b/Mango.Nop.Core/Class1.cs
deleted file mode 100644
index b0a5bc6..0000000
--- a/Mango.Nop.Core/Class1.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace Mango.Nop.Core
-{
-    public class Class1
-    {
-
-    }
-}
diff --git a/Mango.Nop.Core/Interfaces/IMgModelDtoBase.cs b/Mango.Nop.Core/Interfaces/IMgModelDtoBase.cs
index ba2705f..c757fa9 100644
--- a/Mango.Nop.Core/Interfaces/IMgModelDtoBase.cs
+++ b/Mango.Nop.Core/Interfaces/IMgModelDtoBase.cs
@@ -1,9 +1,15 @@
 using AyCode.Interfaces;
 using AyCode.Interfaces.Entities;
+using Nop.Core;
 
 namespace Mango.Nop.Core.Interfaces;
 
-public interface IMgModelDtoBase : IEntityInt //: IAcModelDtoBase //TODO: IEntityGuid gond... - J.
+public interface IMgModelDtoBase : IEntityInt, IAcModelDtoBaseEmpty //: IAcModelDtoBase //TODO: IEntityGuid gond... - J.
 {
     
+}
+
+public interface IMgModelDtoBase<out TMainEntity> : IMgModelDtoBase where TMainEntity : BaseEntity
+{
+    TMainEntity CreateMainEntity();
 }
\ No newline at end of file