-
+// *** ALL can be Optional (need drag /drop ?) - although windows/split bar/grid etc. uses them..
+Roo.dd.DragDrop
+Roo.dd.DragDropMgr
+Roo.dd.DD
+Roo.dd.DDProxy
+Roo.dd.DDTarget
+Roo.dd.ScrollManager
+Roo.dd.Registry
+Roo.dd.StatusProxy
+Roo.dd.DragSource
+Roo.dd.DropTarget
+Roo.dd.DragZone
+Roo.dd.DropZone
+
+Roo.data.SortTypes
+Roo.data.Record
+Roo.data.Store
+Roo.data.SimpleStore
+Roo.data.JsonStore
+Roo.data.Field
+Roo.data.DataReader
+Roo.data.DataProxy
+// *** Can be Optional (if needed?)
+Roo.data.MemoryProxy
+Roo.data.HttpProxy
+// *** Can be Optional (external scripts?)
+Roo.data.ScriptTagProxy
+Roo.data.JsonReader
+// *** Can be Optional ***
+Roo.data.XmlReader
+// *** Can be Optional (needed for Tree?)
+Roo.data.ArrayReader
+Roo.data.Tree
Roo.ComponentMgr
Roo.Component
Roo.Layer