code: def fulltext_search(self, transport, index, query, **params):
          
          return transport.search(index, query, **params)
docs: fulltext_search(index, query, **params)
  
          Performs a full-text search query.
  
          .. note:: This request is automatically retried :attr:`retries`
             times if it fails due to network error.
  
          :param index: the bucket/index to search over
          :type index: string
          :param query: the search query
          :type query: string
          :param params: additional query flags
          :type params: dict
          :rtype: dict