{
  "type" : "TestGroup",
  "id" : "test-group",
  "children" : [
    {
      "type" : "ClutterRectangle",
      "id" : "test-rect-1",
      "width" : 100.0,
      "height" : 100.0,
      "color" : [ 255, 0, 0, 255 ],
      "child::focus" : true
    },
    {
      "type" : "ClutterRectangle",
      "id" : "test-rect-2",
      "width" : 100.0,
      "height" : 100.0,
      "color" : [ 0, 255, 0, 255 ]
    }
  ]
}