Interface IOptions

interface IOptions {
    encoding?:
        | "base64"
        | "binary"
        | "ascii"
        | "utf8"
        | "utf-8"
        | "utf16le"
        | "utf-16le"
        | "ucs2"
        | "ucs-2"
        | "base64url"
        | "latin1"
        | "hex"
        | "buffer";
}