Protractor configuration

Is this Protractor example up-to-date? https://support.smartbear.com/crossbrowsertesting/docs/automated-testing/frameworks/protractor.html

Are there different keys used just for Protractor such as:

browser_api_name : 'FF31'

And when it says "You can get these constants from the example script on the Selenium page." where are they as the examples on that page seem to be a different format?