Initial commit carried over from private repo. This is V2.

code/MessengerApi/Contracts/Models/Scoped/IUnitOfWork.cs

@@ -0,0 +1,15 @@
+using MessengerApi.Db.Contracts.Repositories;
+
+namespace MessengerApi.Contracts.Models.Scoped
+{
+    public interface IUnitOfWork
+    {
+        IUserRepository Users { get; }
+
+        IUserRouteRepository UserRoutes { get; }
+
+        IMessageRepository Messages { get; }
+
+        Task SaveChanges(CancellationToken ct = default);
+    }
+}