toJson method

Implementation

core.Map<core.String, core.dynamic> toJson() {
  final chartId = this.chartId;
  final contentUrl = this.contentUrl;
  final sheetsChartProperties = this.sheetsChartProperties;
  final spreadsheetId = this.spreadsheetId;
  return {
    'chartId': ?chartId,
    'contentUrl': ?contentUrl,
    'sheetsChartProperties': ?sheetsChartProperties,
    'spreadsheetId': ?spreadsheetId,
  };
}