{
  "layers": [
    {
      "name": "LayoutView #document",
      "bounds": [800, 600],
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "Scrolling Layer",
      "bounds": [800, 600],
      "drawsContent": false
    },
    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF",
      "paintInvalidations": [
        {
          "object": "LayoutListBox SELECT",
          "rect": [1, 35, 12, 15],
          "reason": "appeared"
        },
        {
          "object": "VerticalScrollbar",
          "rect": [13, 35, 11, 57],
          "reason": "appeared"
        },
        {
          "object": "VerticalScrollbar",
          "rect": [13, 35, 11, 57],
          "reason": "disappeared"
        }
      ]
    }
  ],
  "objectPaintInvalidations": [
    {
      "object": "LayoutBlockFlow OPTION id='option'",
      "reason": "style change"
    },
    {
      "object": "RootInlineBox",
      "reason": "style change"
    }
  ]
}

