LayoutTests/interaction-region/overlay-expected.txt

(GraphicsLayer
  (anchor 0.00 0.00)
  (bounds 800.00 600.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 600.00)
      (contentsOpaque 1)
      (drawsContent 1)
      (backgroundColor #FFFFFF)
      (event region
        (rect (0,0) width=800 height=600)

      (interaction regions [
        (occlusion (0,0) width=200 height=100),
        (occlusion (0,200) width=200 height=100)])
      )
      (children 3
        (GraphicsLayer
          (position 0.00 400.00)
          (preserves3D 1)
          (children 1
            (GraphicsLayer
              (bounds 200.00 200.00)
              (contentsOpaque 1)
              (drawsContent 1)
              (event region
                (rect (0,0) width=200 height=200)
              )
            )
          )
        )
        (GraphicsLayer
          (position 600.00 400.00)
          (preserves3D 1)
          (children 1
            (GraphicsLayer
              (bounds 200.00 200.00)
              (contentsOpaque 1)
              (drawsContent 1)
              (event region
                (rect (0,0) width=200 height=200)
              )
            )
          )
        )
        (GraphicsLayer
          (position 600.00 0.00)
          (preserves3D 1)
          (children 1
            (GraphicsLayer
              (bounds 200.00 200.00)
              (contentsOpaque 1)
              (event region
                (rect (0,0) width=200 height=200)
              )
            )
          )
        )
      )
    )
  )
)