{
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      "name": "LayoutView #document",
      "bounds": [800, 600],
      "drawsContent": false,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "Scrolling Layer",
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    },
    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutIFrame (positioned) IFRAME",
      "bounds": [304, 304]
    },
    {
      "name": "LayoutView #document",
      "position": [2, 2],
      "bounds": [300, 300],
      "backgroundColor": "#C0C0C0"
    },
    {
      "name": "LayoutBlockFlow DIV id='iframe-content' class='box'",
      "bounds": [210, 210],
      "contentsOpaque": true,
      "backgroundColor": "#0000FF",
      "transform": 1
    },
    {
      "name": "LayoutIFrame (positioned) IFRAME id='overlap'",
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}