Merge "document the return type of getImportance" into nyc-dev am: 5a6478ca99 am: 38396ae5ca
am: 6335e34983

* commit '6335e34983d7af4090c2d45aa35ab726a3f55221':

Change-Id: I36278e3ff14011fac29d52beff1a1bcb55304df5