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onChartInstance(chart: Highcharts.Chart) {
    this.chart = chart;
  }

  redrawWithUpdate(updated: Highcharts.Options) {
    const cached = JSON.stringify(updated);
    //console.log('Redrawing with update', JSON.stringify(updated));
    setTimeout(() => {
      this.chartOptions = JSON.parse(cached);
      this.chart?.redraw();
    });
  }