{
  "bounds": [800, 600],
  "children": [
    {
      "bounds": [800, 600],
      "contentsOpaque": true,
      "drawsContent": true,
      "repaintRects": [
        [8, 98, 100, 50],
        [8, 48, 100, 150]
      ],
      "paintInvalidationClients": [
        "LayoutGrid DIV class='grid fit-content'",
        "LayoutBlockFlow DIV class='sizedToGridArea'"
      ]
    }
  ]
}