https://help.syncfusion.com/cr/xamarin-ios/Syncfusion.XlsIO.Parser.Biff_Records.MsoDrawing.MsofbtOPT.FOPTE.html
Class MsofbtOPT.FOPTE - Xamarin.iOS API Reference | Syncfusion
Class MsofbtOPT.FOPTE - Xamarin.iOS API Reference
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