{
  "bounds": [800, 600],
  "children": [
    {
      "bounds": [800, 600],
      "contentsOpaque": true,
      "drawsContent": true,
      "repaintRects": [
        [12, 61, 30, 30]
      ],
      "paintInvalidationClients": [
        "LayoutBlockFlow INPUT id='checkbox'"
      ]
    }
  ]
}