@property<EOL><INDENT>def reference(self):<DEDENT>
warnings.warn('<STR_LIT>'<EOL>'<STR_LIT>',<EOL>FutureWarning)<EOL>return self._reference<EOL>
DEPRECATED AS OF JUNE 24, 2014. May stop being returned on June 24,
        2015. Reference: https://developers.google.com/places/documentation/search

        Returns contains a unique token for the place.

        The token can be used to retrieve additional information about this
        place when invoking the getPlace method on an GooglePlaces instance.

        You can store this token and use it at any time in future to refresh
        cached data about this Place, but the same token is not guaranteed to
        be returned for any given Place across different searches.