Get article's parent page main column teaser layout in velocity template in polopoly

The velocity template engine is tightly integrated with Java based multi channel publishing CMS polopoly:
There are some really cool ways to get data in velocity from polopoly. In the article context we can easily get article's parent page using the following line:

#set($parentObj = $tool_domain.getModel($content.parentId))

Now to get the selected main column teaser layout we could easily do the following:

$parentObj.pageLayout.selected.mainColumnTeaserLayout.value

We could do it using one line like below:

$tool_domain.getModel($content.parentId).pageLayout.selected.
mainColumnTeaserLayout.value