/**
 * Encode an age encrypted file using the ASCII armor format, a strict subset of
 * PEM that starts with `-----BEGIN AGE ENCRYPTED FILE-----`.
 *
 * @param file - The raw encrypted file (returned by {@link Encrypter.encrypt}).
 *
 * @returns The ASCII armored file, with a final newline.
 */
export declare function encode(file: Uint8Array): string;
/**
 * Decode an age encrypted file from the ASCII armor format, a strict subset of
 * PEM that starts with `-----BEGIN AGE ENCRYPTED FILE-----`.
 *
 * Extra whitespace before and after the file is ignored, and newlines can be
 * CRLF or LF, but otherwise the format is parsed strictly.
 *
 * @param file - The ASCII armored file.
 *
 * @returns The raw encrypted file (to be passed to {@link Decrypter.decrypt}).
 */
export declare function decode(file: string): Uint8Array;