code: def _options(self):
          
          if self._options_cache is None:
              target_url = self.client.get_url(self._URL_KEY, 'OPTIONS', 'options')
              r = self.client.request('OPTIONS', target_url)
              self._options_cache = r.json()
          return self._options_cache
docs: Returns a raw options object
  
          :rtype: dict