def GenerateDiscoveryDoc(self, api_config, api_format):
    if api_format not in ['rest', 'rpc']:
      raise ValueError('Invalid API format')
    path = 'apis/generate/' + api_format
    request_dict = {'config': json.dumps(api_config)}
    request_body = json.dumps(request_dict)
    return self._DispatchRequest(path, request_body)
Returns the BoxUsage (in USD) accumulated on this specific SDBConnection 
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/dev_appserver_apiserver.py/DiscoveryApiProxy.GenerateDiscoveryDoc--crossover with--dataset/ETHPy150Open darcyliu/storyboard/boto/sdb/connection.py/SDBConnection.get_usage