interface WBPropsimport { type WBProps } from "https://deno.land/x/flat@0.0.11/src/xlsx-types.ts"; Workbook-Level Attributes PropertiesoptionalSheets: SheetProps[]Sheet Properties optionalNames: DefinedName[]Defined Names optionalViews: WBView[]Workbook Views optionalWBProps: WorkbookPropertiesOther Workbook Properties