/**
 * Encodes given string to morse code.
 *
 * @param str The input string to encode.
 * @returns A string of the encoded input.
 */
export function encode(str: string): string;

/**
 * Decodes given morse code string to plain text.
 *
 * @param str The input string to decode.
 * @returns A string of the decoded input.
 */
export function decode(str: string): string;