interface Sheet2JSONOpts implements DateNFOptionimport { type Sheet2JSONOpts } from "https://dotland.deno.dev/x/flat@0.0.14/src/xlsx-types.ts"; Propertiesoptionalheader: "A" | number | string[]Output format optionalrange: anyOverride worksheet range optionalblankrows: booleanInclude or omit blank lines in the output optionaldefval: anyDefault value for null/undefined values optionalraw: booleanif true, return raw data; if false, return formatted text optionalrawNumbers: booleanif true, return raw numbers; if false, return formatted numbers