public static String toString(UUID uuid) {
        // copied from UUID impl
        return (digits(uuid.getMostSignificantBits() >> 32, 8) +
                digits(uuid.getMostSignificantBits() >> 16, 4) +
                digits(uuid.getMostSignificantBits(), 4) +
                digits(uuid.getLeastSignificantBits() >> 48, 4) +
                digits(uuid.getLeastSignificantBits(), 12));
    }
Returns a {@link UUID#toString()} string without dashes.

@param uuid the uuid
@return the string form
helper/src/main/java/me/lucko/helper/utils/UndashedUuids.java