#include <dali/public-api/math/rect.h>
#include <dali/public-api/math/uint-16-pair.h>
#include <dali/public-api/math/vector2.h>
+#include <dali/public-api/math/vector4.h>
#include <dali/public-api/object/base-handle.h>
#include <dali/public-api/object/any.h>
#include <dali/public-api/signals/dali-signal.h>
class DragAndDropDetector;
class Orientation;
+class Actor;
+class Layer;
/**
* @brief The window class is used internally for drawing.