
Scrolling tree on non-scrollable


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  (scrollable area size 785 600)
  (contents size 785 640)
  (scrollable area parameters 
    (horizontal scroll elasticity 2)
    (vertical scroll elasticity 2)
    (horizontal scrollbar mode 0)
    (vertical scrollbar mode 0)
    (has enabled vertical scrollbar 1))
  (layout viewport at (0,0) size 785x600)
  (min layout viewport origin (0,0))
  (max layout viewport origin (0,40))
  (behavior for fixed 0)
  (children 1
    (Frame hosting node
      (children 1
        (Frame scrolling node
          (scrollable area size 600 500)
          (contents size 600 500)
          (scrollable area parameters 
            (horizontal scroll elasticity 0)
            (vertical scroll elasticity 0)
            (horizontal scrollbar mode 0)
            (vertical scrollbar mode 0))
          (layout viewport at (0,0) size 600x500)
          (min layout viewport origin (0,0))
          (max layout viewport origin (0,0))
          (behavior for fixed 0)
          (children 1
            (Frame hosting node
              (children 1
                (Frame scrolling node
                  (scrollable area size 485 400)
                  (contents size 485 1024)
                  (scrollable area parameters 
                    (horizontal scroll elasticity 0)
                    (vertical scroll elasticity 0)
                    (horizontal scrollbar mode 0)
                    (vertical scrollbar mode 0)
                    (has enabled vertical scrollbar 1))
                  (layout viewport at (0,0) size 485x400)
                  (min layout viewport origin (0,0))
                  (max layout viewport origin (0,624))
                  (behavior for fixed 0)
                )
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)

Scrolling tree on scrollable


(Frame scrolling node
  (scrollable area size 785 600)
  (contents size 785 640)
  (scrollable area parameters 
    (horizontal scroll elasticity 2)
    (vertical scroll elasticity 2)
    (horizontal scrollbar mode 0)
    (vertical scrollbar mode 0)
    (has enabled vertical scrollbar 1))
  (layout viewport at (0,0) size 785x600)
  (min layout viewport origin (0,0))
  (max layout viewport origin (0,40))
  (behavior for fixed 0)
  (children 1
    (Frame hosting node
      (children 1
        (Frame scrolling node
          (scrollable area size 585 500)
          (contents size 585 1024)
          (scrollable area parameters 
            (horizontal scroll elasticity 0)
            (vertical scroll elasticity 0)
            (horizontal scrollbar mode 0)
            (vertical scrollbar mode 0)
            (has enabled vertical scrollbar 1))
          (layout viewport at (0,0) size 585x500)
          (min layout viewport origin (0,0))
          (max layout viewport origin (0,524))
          (behavior for fixed 0)
          (children 1
            (Frame hosting node
              (children 1
                (Frame scrolling node
                  (scrollable area size 485 400)
                  (contents size 485 1024)
                  (scrollable area parameters 
                    (horizontal scroll elasticity 0)
                    (vertical scroll elasticity 0)
                    (horizontal scrollbar mode 0)
                    (vertical scrollbar mode 0)
                    (has enabled vertical scrollbar 1))
                  (layout viewport at (0,0) size 485x400)
                  (min layout viewport origin (0,0))
                  (max layout viewport origin (0,624))
                  (behavior for fixed 0)
                )
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)