{
  "layers": [
    {
      "name": "Scrolling Contents Layer",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutBlockFlow DIV",
      "bounds": [200, 200],
      "transform": 1
    },
    {
      "name": "ContentsLayer for Horizontal Scrollbar Layer",
      "position": [0, 185],
      "bounds": [185, 15],
      "transform": 1
    },
    {
      "name": "ContentsLayer for Vertical Scrollbar Layer",
      "position": [185, 0],
      "bounds": [15, 185],
      "transform": 1
    },
    {
      "name": "Scroll Corner Layer",
      "position": [185, 185],
      "bounds": [15, 15],
      "transform": 1
    },
    {
      "name": "Scrolling Contents Layer",
      "bounds": [300, 300],
      "contentsOpaque": true,
      "backgroundColor": "#D3D3D3",
      "transform": 1
    },
    {
      "name": "LayoutBlockFlow (relative positioned) DIV",
      "bounds": [200, 200],
      "contentsOpaque": true,
      "backgroundColor": "#ADD8E6",
      "transform": 1
    },
    {
      "name": "LayoutBlockFlow DIV (foreground) Layer",
      "bounds": [300, 300],
      "invalidations": [
        [100, 100, 200, 200]
      ],
      "transform": 1
    }
  ],
  "transforms": [
    {
      "id": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [8, 8, 0, 1]
      ]
    }
  ]
}