}

    @Override
    @SuppressWarnings("unchecked")
    public void visitBlockStatement(BlockStatement stat) {
        replaceAll(stat.getStatements());
    }

    @Override
    public void visitForLoop(ForStatement stat) {
        stat.setCollectionExpression(replaceExpr(stat.getCollectionExpression()));
        stat.setLoopBlock(replace(stat.getLoopBlock()));
    }

    @Override