innerBuilder.add(new TermQuery(new Term("content", "inner")), BooleanClause.Occur.SHOULD);

        BooleanQuery.Builder outerBuilder = new BooleanQuery.Builder();
        outerBuilder.add(innerBuilder.build(), BooleanClause.Occur.SHOULD);
        outerBuilder.add(new TermQuery(new Term("content", "outer")), BooleanClause.Occur.SHOULD);
        BooleanQuery nestedQuery = outerBuilder.build();

        if (query instanceof final BooleanQuery booleanQuery) {
            final List<BooleanClause> clauses = booleanQuery.clauses();
            final List<TermQuery> queryList = new ArrayList<>();
            for (final BooleanClause clause : clauses) {
                final Query q = clause.query();
                if (q instanceof BooleanQuery) {