How to use the @ethersproject/strings.UnicodeNormalizationForm.NFKC function in @ethersproject/strings

export function getPassword(password: Bytes | string): Uint8Array {
    if (typeof(password) === 'string') {
        return toUtf8Bytes(password, UnicodeNormalizationForm.NFKC);
    }
    return arrayify(password);
}

export function getPassword(password) {
    if (typeof (password) === 'string') {
        return toUtf8Bytes(password, UnicodeNormalizationForm.NFKC);
    }
    return arrayify(password);
}
export function searchPath(object, path) {