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     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "<all other values>",
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     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "FEED"
    },
    {
     "id": "1",
     "heading": ""
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   ]
  }
 ]
}