{
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      "name": "Scrolling background of LayoutView #document",
      "bounds": [44990, 15063],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutImage (positioned, block, relayout-boundary) IMG",
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      "contentsOpaque": true,
      "backgroundColor": "#000000"
    },
    {
      "name": "HorizontalScrollbar",
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      "contentsOpaque": true
    },
    {
      "name": "VerticalScrollbar",
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      "contentsOpaque": true
    },
    {
      "name": "Scroll corner of LayoutView #document",
      "position": [785, 585],
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      "contentsOpaque": true
    }
  ]
}