type alias xlsx.BookTypeimport { type xlsx } from "https://deno.land/x/flat@0.0.15/mod.ts"; const { BookType } = xlsx; Type of generated workbook definition: | "xlsx" | "xlsm" | "xlsb" | "xls" | "xla" | "biff8" | "biff5" | "biff2" | "xlml" | "ods" | "fods" | "csv" | "txt" | "sylk" | "slk" | "html" | "dif" | "rtf" | "prn" | "eth" | "dbf"