toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (dimensionRange != null) 'dimensionRange': dimensionRange!,
if (locationType != null) 'locationType': locationType!,
if (sheetId != null) 'sheetId': sheetId!,
if (spreadsheet != null) 'spreadsheet': spreadsheet!,
};