interface xlsx.WBPropsimport { type xlsx } from "https://deno.land/x/flat@0.0.15/mod.ts"; const { WBProps } = xlsx; Workbook-Level Attributes PropertiesoptionalSheets: SheetProps[]Sheet Properties optionalNames: DefinedName[]Defined Names optionalViews: WBView[]Workbook Views optionalWBProps: WorkbookPropertiesOther Workbook Properties