174           developerKey=None,  argument
224         requested_url, discovery_http, cache_discovery, cache, developerKey)
226           developerKey=developerKey, model=model, requestBuilder=requestBuilder,
239                             developerKey=None):  argument
270   if developerKey:
271     actual_url = _add_query_parameter(url, 'key', developerKey)
300     developerKey=None,  argument
359     if scopes and not developerKey:
383                   developerKey=developerKey, requestBuilder=requestBuilder,
998   def __init__(self, http, baseUrl, model, requestBuilder, developerKey,  argument
1022     self._developerKey = developerKey
1120                           model=self._model, developerKey=self._developerKey,