CONSOLE MESSAGE: line 30: debug
{
  "bounds": [800, 600],
  "children": [
    {
      "bounds": [800, 600],
      "contentsOpaque": true,
      "drawsContent": true,
      "repaintRects": [
        [50, 50, 75, 75]
      ],
      "paintInvalidationClients": [
        "LayoutBlockFlow (positioned) DIV class='fixed'"
      ],
      "children": [
        {
          "position": [200, 100],
          "bounds": [100, 100],
          "contentsOpaque": true,
          "drawsContent": true,
          "backgroundColor": "#0000FF",
          "repaintRects": [
            [50, 50, 75, 75],
            [0, 0, 100, 100],
            [0, 0, 100, 100]
          ],
          "paintInvalidationClients": [
            "LayoutBlockFlow (positioned) DIV class='fixed'",
            "LayoutBlockFlow (positioned) DIV id='container'",
            "LayoutBlockFlow (positioned) DIV class='fixed'",
            "LayoutBlockFlow (positioned) DIV id='container'"
          ]
        }
      ]
    }
  ]
}