adds attr

Content.Shared/Interfaces/GameObjects/Components/Interaction/IAfterInteract.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Threading.Tasks;
 using JetBrains.Annotations;
+using Robust.Shared;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Interfaces.GameObjects;
 using Robust.Shared.Map;
@@ -14,6 +15,7 @@ namespace Content.Shared.Interfaces.GameObjects.Components
     /// clicking on another object and no interaction occurs, at any range. This includes
     /// clicking on an object in the world as well as clicking on an object in inventory.
     /// </summary>
+    [RequiresExplicitImplementation]
     public interface IAfterInteract
     {
         /// <summary>