if (expr.isSafe() || expr.isSpreadSafe()) {
            return null;
        }
        if (expr.getObjectExpression() instanceof VariableExpression) {
            VariableExpression objectExpression = (VariableExpression) expr.getObjectExpression();
            if (objectExpression.getName().equals(DOLLAR)) {
                return expr.getPropertyAsString();
            } else {

            return;
        }
        if (!prop.equals("this") && !prop.equals("super")) {
            return;
        }

        ClassNode type = expression.getObjectExpression().getType();
        if (expression.getObjectExpression() instanceof ClassExpression) {
            if (!(currentClass instanceof InnerClassNode) && !Traits.isTrait(type)) {