{
  "layers": [
    {
      "name": "LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF",
      "paintInvalidations": [
        {
          "object": "LayoutBlockFlow DIV class='item'",
          "rect": [100, 52, 100, 300],
          "reason": "geometry"
        },
        {
          "object": "LayoutBlockFlow DIV class='item'",
          "rect": [0, 52, 100, 300],
          "reason": "geometry"
        }
      ]
    }
  ],
  "objectPaintInvalidations": [
    {
      "object": "LayoutBlockFlow DIV class='item'",
      "reason": "geometry"
    },
    {
      "object": "LayoutBlockFlow DIV class='item'",
      "reason": "geometry"
    }
  ]
}