@query_params('allow_no_indices', 'expand_wildcards', 'fields',
        'ignore_unavailable', 'level')
    def field_stats(self, index=None, body=None, params=None):
        return self.transport.perform_request('GET', _make_path(index,
            '_field_stats'), params=params, body=body)
Return milliseconds elapsed between |start_time| and |end_time|.
dataset/ETHPy150Open elastic/elasticsearch-py/elasticsearch/client/__init__.py/Elasticsearch.field_stats--crossover with--dataset/ETHPy150Open chromium/web-page-replay/trafficshaper_test.py/GetElapsedMs