Garbage collection setup that might be needed later

Room/Room.cs

@@ -99,7 +99,7 @@ public class Room
         return _connections.Select(connection => connection.Socket).ToList();
     }
 
-    private bool IsEmpty()
+    public bool IsEmpty()
     {
         return _connections.Count == 0;
     }

Room/RoomManager.cs

@@ -31,6 +31,16 @@ public class RoomManager : IRoomManager
     {
         return Rooms.ContainsKey(roomId);
     }
+    
+    public void ClearGhostRooms()
+    {
+        var ghostRooms = Rooms.Where(room => room.Value.IsEmpty());
+        foreach (var room in ghostRooms)
+        {
+            GC.Collect(GC.GetGeneration(room.Value));
+            RemoveRoom(room.Key);
+        }
+    }
 }
 
 public interface IRoomManager
@@ -40,4 +50,5 @@ public interface IRoomManager
     public List<string> GetAllRooms();
     public void RemoveRoom(string roomId);
     public bool RoomExists(string roomId);
+    public void ClearGhostRooms();
 }