code: def _build_google_client(service, api_version, http_auth):
      
      client = build(service, api_version, http=http_auth)
      return client
docs: Google build client helper.
  
      :param service: service to build client for
      :type service: ``str``
  
      :param api_version: API version to use.
      :type api_version: ``str``
  
      :param http_auth: Initialized HTTP client to use.
      :type http_auth: ``object``
  
      :return: google-python-api client initialized to use 'service'
      :rtype: ``object``