}

    @Override
    public void visitFieldExpression(FieldExpression expression) {
        restrict(expression);
    }

    @Override
    public void visitMethodPointerExpression(MethodPointerExpression expression) {
        restrict(expression);
    }

    @Override
    public void visitConstantExpression(ConstantExpression expression) {
        restrict(expression);
    }

        );
        result.setType(expr.getType());
        result.setSourcePosition(expr);
        replaceVisitedExpressionWith(result);
    }

    @Override
    public void visitMethodPointerExpression(MethodPointerExpression expr) {
        MethodPointerExpression result = new MethodPointerExpression(
            replaceExpr(expr.getExpression()),
            expr.getMethodName()
        );