{
  "name": "Content Root Layer",
  "bounds": [800, 600],
  "children": [
    {
      "name": "LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "drawsContent": true,
      "paintInvalidations": [
        {
          "object": "LayoutBlockFlow DIV class='item2'",
          "rect": [150, 52, 50, 150],
          "reason": "style change"
        },
        {
          "object": "LayoutBlockFlow DIV class='item1'",
          "rect": [0, 52, 50, 150],
          "reason": "style change"
        }
      ]
    }
  ],
  "objectPaintInvalidations": [
    {
      "object": "LayoutBlockFlow DIV class='item1'",
      "reason": "style change"
    },
    {
      "object": "LayoutBlockFlow DIV class='item2'",
      "reason": "style change"
    }
  ]
}

