} else {
            super.visitPropertyExpression(expr);
        }
    }

    private String isDollarPathExpression(PropertyExpression expr) {
        if (expr.isSafe() || expr.isSpreadSafe()) {
            return null;
        }
        if (expr.getObjectExpression() instanceof VariableExpression) {
            VariableExpression objectExpression = (VariableExpression) expr.getObjectExpression();