protected ArrayUtil() {
    }

    /**
     * Returns an array of {@literal boolean}.
     *
     * @param elements the elements of the array
     * @return the array
     */
    public static boolean[] asBooleanArray(final boolean... elements) {
        return elements;
    }

    /**
     * Returns an array of {@literal char}.
     *
     * @param elements the elements of the array
     * @return the array
     */