SmartClientWebDriver Screenshots

It appears that the SmartClientWebDriver and it's compatriots don't implement/expose the ability to take screenshots?

https://selenium.googlecode.com/svn/trunk/docs/api/java/org/openqa/selenium/TakesScreenshot.html

This is on:
v9.1p_2015-05-06/PowerEdition Deployment (built 2015-05-06)