

(scrolling tree
  (frame scrolling node
    (scrollable area size width=785 height=600)
    (total content size width=785 height=2016)
    (last committed scroll position (0,0))
    (scrollable area parameters
      (horizontal scroll elasticity 2)
      (vertical scroll elasticity 2)
      (horizontal scrollbar mode 0)
      (vertical scrollbar mode 0)
      (allows vertical scrolling 1))
    (layout viewport (0,0) width=785 height=600)
    (min layoutViewport origin (0,0))
    (max layoutViewport origin (0,1416))
    (behavior for fixed 0)
    (frame hosting node
      (frame scrolling node
        (scrollable area size width=500 height=400)
        (total content size width=500 height=400)
        (last committed scroll position (0,0))
        (scrollable area parameters
          (horizontal scroll elasticity 0)
          (vertical scroll elasticity 0)
          (horizontal scrollbar mode 0)
          (vertical scrollbar mode 0))
        (synchronous scrolling reasons Has slow repaint objects, Has slow repaint descendant scrollers)
        (layout viewport (0,0) width=500 height=400)
        (min layoutViewport origin (0,0))
        (max layoutViewport origin (0,0))
        (behavior for fixed 0)
        (overflow scrolling node
          (scrollable area size width=405 height=305)
          (total content size width=410 height=1020)
          (last committed scroll position (0,0))
          (scrollable area parameters
            (horizontal scroll elasticity 0)
            (vertical scroll elasticity 0)
            (horizontal scrollbar mode 0)
            (vertical scrollbar mode 0)
            (allows horizontal scrolling 1)
            (allows vertical scrolling 1))
          (synchronous scrolling reasons Has slow repaint objects))))))