/**
 * Gets alternative Korean characters for the character code. This will return the ascii
 * character code(s) that a Hangul character may have been input with using a qwerty layout.
 *
 * This only aims to cover modern (not archaic) Hangul syllables.
 *
 * @param code The character code to get alternate characters for
 */
export declare function getKoreanAltChars(code: number): ArrayLike<number> | undefined;