AccumulatedVisualContext Tree:
  [1] scroll_frame_id=0 (PaintableWithLines(BlockContainer<PRE>#out))
    [2] clip=[10,10 200x150]
      [3] scroll_frame_id=1 (PaintableWithLines(BlockContainer(anonymous)))
        [4] clip=[11,11 300x100]
          [5] scroll_frame_id=2 (PaintableWithLines(BlockContainer(anonymous)))

DisplayList:
SaveLayer@0
  FillPath@1 path_bounding_rect=[8,8 204x154]
  FillRect@3 rect=[10,10 302x102] color=rgb(255, 255, 224)
  FillPath@3 path_bounding_rect=[10,10 302x102]
  FillRect@5 rect=[11,11 400x80] color=rgb(240, 128, 128)
  DrawGlyphRun@5 rect=[11,11 178x18] translation=[11,24.796875] color=rgb(0, 0, 0)
  PaintScrollBar@3
  PaintScrollBar@1
Restore@0