assertEquals(BooleanQuery.class, query.getClass());
        clauses = ((BooleanQuery) query).clauses();
        assertEquals(TermQuery.class, clauses.get(0).query().getClass());
        assertEquals("_default:fess", clauses.get(0).query().toString());
        assertEquals(Occur.MUST, clauses.get(0).occur());
        assertEquals(TermQuery.class, clauses.get(1).query().getClass());
        assertEquals("_default:codelibs", clauses.get(1).query().toString());

        assertEquals(5, boolResult.should().size());
    }

    // Test complex query with all clause types
    public void test_convertBooleanQuery_complexQuery() {
        BooleanQuery.Builder boolQueryBuilder = new BooleanQuery.Builder();

        // Add multiple clauses of each type
        for (int i = 0; i < 3; i++) {

        // BooleanQueryCommand doesn't seem to apply boost correctly,
        // so we'll just check that it has clauses
        assertTrue(boolQueryBuilder.boost() > 0);
        // Check that the boolean query has the correct number of clauses
        assertFalse(boolQueryBuilder.must().isEmpty());
        assertFalse(boolQueryBuilder.should().isEmpty());

    }

    // Test addQuery with no clauses added
    public void test_addQuery_withNoClauses() {
        queryContext = new QueryContext("test", false);
        QueryBuilder initialQuery = QueryBuilders.termQuery("field", "value");
        queryContext.setQueryBuilder(initialQuery);

        queryContext.addQuery(boolQuery -> {
            // Don't add any clauses
        });

        final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        for (final BooleanClause clause : booleanQuery.clauses()) {
            final QueryBuilder queryBuilder = getQueryProcessor().execute(context, clause.query(), boost);
            if (queryBuilder != null) {
                switch (clause.occur()) {
                case MUST:
                    boolQuery.must(queryBuilder);
                    break;

            }
        }
    }

    /**
     * Builds role-based query filters using the provided role set.
     * This method adds should clauses for allowed roles and must-not clauses for denied roles.
     *
     * @param roleSet the set of roles to use for filtering
     * @param boolQuery the boolean query builder to add role filters to
     */

        functionScoreQuery.accept(list);
        queryBuilder = QueryBuilders.functionScoreQuery(queryBuilder, list.toArray(new FilterFunctionBuilder[list.size()]));
    }

    /**
     * Adds additional query clauses using a boolean query builder.
     * @param boolQuery Consumer that configures the boolean query.
     */
    public void addQuery(final Consumer<BoolQueryBuilder> boolQuery) {
        BoolQueryBuilder builder;

        Throwable cause1 = exception.getCause();
        assertNotNull(cause1);
        assertTrue(cause1 instanceof IOException);
        assertEquals("Level 1 error", cause1.getMessage());

        Throwable cause2 = cause1.getCause();
        assertNotNull(cause2);
        assertTrue(cause2 instanceof IllegalStateException);
        assertEquals("Level 2 error", cause2.getMessage());

   * all super-classes, that are annotated with {@code @Subscribe}. The cache is shared across all
   * instances of this class; this greatly improves performance if multiple EventBus instances are
   * created and objects of the same class are registered on all of them.
   */
  private static final LoadingCache<Class<?>, ImmutableList<Method>> subscriberMethodsCache =

   * ClassCastException}'s cause.
   *
   * @throws ClassCastException if the cause cannot be cast to the expected type. The {@code
   *     ClassCastException}'s cause is {@code throwable}.
   * @since 22.0
   */
  @GwtIncompatible // Class.cast(Object)
  public static <X extends Throwable> @Nullable X getCauseAs(
      Throwable throwable, Class<X> expectedCauseType) {
    try {