https://help.syncfusion.com/cr/aspnetcore-js2/Syncfusion.EJ2.Gantt.GanttTooltipSettingsBuilder.html
Class GanttTooltipSettingsBuilder - ASP.NETCore-EJ2 API Reference | Syncfusion
Class GanttTooltipSettingsBuilder - ASP.NETCore-EJ2 API Reference
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