Initial commit.

Wino.Core.Domain/Interfaces/IThreadingStrategy.cs

@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Wino.Core.Domain.Entities;
+using Wino.Core.Domain.Models.MailItem;
+
+namespace Wino.Core.Domain.Interfaces
+{
+    public interface IThreadingStrategy
+    {
+        Task<List<IMailItem>> ThreadItemsAsync(List<MailCopy> items);
+        bool ShouldThreadWithItem(IMailItem originalItem, IMailItem targetItem);
+    }
+}