{
  "layers": [
    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutBlockFlow DIV id='container'",
      "bounds": [400, 300],
      "transform": 1
    },
    {
      "name": "ContentsLayer for Horizontal Scrollbar Layer",
      "position": [0, 285],
      "bounds": [385, 15],
      "transform": 1
    },
    {
      "name": "ContentsLayer for Vertical Scrollbar Layer",
      "position": [385, 0],
      "bounds": [15, 285],
      "transform": 1
    },
    {
      "name": "Scroll Corner Layer",
      "position": [385, 285],
      "bounds": [15, 15],
      "transform": 1
    },
    {
      "name": "Scrolling Contents Layer",
      "bounds": [1000, 1000],
      "backgroundColor": "#008000",
      "invalidations": [
        [0, 0, 1000, 1000]
      ],
      "transform": 2
    }
  ],
  "transforms": [
    {
      "id": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [8, 8, 0, 1]
      ]
    },
    {
      "id": 2,
      "parent": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [-500, -400, 0, 1]
      ]
    }
  ]
}