{
  "kind": "chart",
  "subType": "heatmap",
  "title": "Heatmap — fictional example",
  "csvData": "Team,Apr,May,Jun\nNorth,10,18,22\nEast,22,12,16\nWest,15,25,20",
  "hasHeaderRow": true,
  "maxChartSeries": 3,
  "style": {
    "themePresetId": "brand-bold"
  }
}