}

    /**
     * Appends the string representation of an {@link Element}.
     *
     * @param element
     *            The element. Must not be {@literal null}.
     * @param buf
     *            The string buffer. Must not be {@literal null}.
     */
    public static void appendElement(final Element element, final StringBuilder buf) {
        assertArgumentNotNull("element", element);

     *
     * @param path
     *            The resource path. Must not be {@literal null} or empty string.
     * @param extension
     *            The resource extension.
     * @param loader
     *            The class loader to search for the resource. Must not be {@literal null}.
     * @return The resource {@link URL}
     * @see #getResourcePath(String, String)
     */

     *
     * @param in the input file (must not be {@literal null})
     * @param inputEncoding the input file encoding (must not be {@literal null} or empty)
     * @param out the output file (must not be {@literal null})
     * @param outputEncoding the output file encoding (must not be {@literal null} or empty)
     * @return the number of characters copied
     */

     *
     * @param src The source Bean. Must not be {@literal null}.
     * @param dest The destination Bean. Must not be {@literal null}.
     */
    public static void copyBeanToBean(final Object src, final Object dest) {
        copyBeanToBean(src, dest, DEFAULT_OPTIONS);
    }

    /**
     * Copies properties from one Bean to another Bean.
     *
     * @param src The source Bean. Must not be {@literal null}.

# ---------------
constraints.AssertFalse.message = {item} must be false.
constraints.AssertTrue.message = {item} must be true.
constraints.DecimalMax.message = {item} must be less than {value}.
constraints.DecimalMin.message = {item} must be greater than {value}.
constraints.Digits.message = {item} must be a number. (expected: <number>.<number>)
constraints.Future.message = {item} must be a future value.

# ---------------
constraints.AssertFalse.message = {item} must be false.
constraints.AssertTrue.message = {item} must be true.
constraints.DecimalMax.message = {item} must be less than {value}.
constraints.DecimalMin.message = {item} must be greater than {value}.
constraints.Digits.message = {item} must be a number. (expected: <number>.<number>)
constraints.Future.message = {item} must be a future value.

        return this;
    }

    /**
     * Sets a converter.
     *
     * @param converter
     *            The converter. Must not be {@literal null}.
     * @param propertyNames
     *            The property names to which this converter will be applied. Each element must not be {@literal null} or an empty string.
     * @return This instance itself
     */

    }

    /**
     * Returns whether the class can be assigned from another class.
     *
     * @param toClass
     *            The target class. Must not be {@literal null}.
     * @param fromClass
     *            The source class. Must not be {@literal null}.
     * @return Whether assignment is possible.
     * @see Class#isAssignableFrom(Class)
     */

     */
    protected AssertionUtil() {
    }

    /**
     * Asserts that the argument is not <code>null</code>.
     *
     * @param argName
     *            The name of the argument that must not be {@code null}.
     * @param argValue
     *            The value of the argument.
     * @throws NullArgumentException
     *             If the argument is <code>null</code>.
     */

    public void test_execute_withBooleanQuery() {
        // Create a simple BooleanQuery with MUST clause
        BooleanQuery.Builder boolQueryBuilder = new BooleanQuery.Builder();
        TermQuery termQuery = new TermQuery(new Term("field", "value"));
        boolQueryBuilder.add(termQuery, BooleanClause.Occur.MUST);
        BooleanQuery booleanQuery = boolQueryBuilder.build();