{
  "layers": [
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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": "LayoutBlockFlow (positioned) DIV class='composited box'",
      "bounds": [110, 110],
      "backgroundColor": "#808080",
      "transform": 2
    },
    {
      "name": "LayoutBlockFlow (relative positioned) DIV class='composited inner'",
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