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     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Lane Divider",
     "url": "649d636475f5d6be612ec5981dec749c",
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     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Shoulder",
     "url": "c993a288ee46e5d2db3cc2c06eeed614",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWNhoDJgGTVw1MDBZODDhw//U2KQvLw8I4qB1AJwA2E2UM1AaoFRA0cNJAMAAMN9BK+O2cqzAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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    }
   ]
  }
 ]
}