code: def mget(self, body, doc_type=None, index=None, params=None):
          
          if body in SKIP_IN_PATH:
              raise ValueError("Empty value passed for a required argument 'body'.")
          return self.transport.perform_request(
              "GET", _make_path(index, doc_type, "_mget"), params=params, body=body
          )
docs: Get multiple documents based on an index, type (optional) and ids.
          `<http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-multi-get.html>`_
  
          :arg body: Document identifiers; can be either `docs` (containing full
              document information) or `ids` (when index and type is provided in
              the URL.
          :arg index: The name of the index
          :arg _source: True or false to return the _source field or not, or a
              list of fields to return
          :arg _source_exclude: A list of fields to exclude from the returned
              _source field
          :arg _source_include: A list of fields to extract and return from the
              _source field
          :arg preference: Specify the node or shard the operation should be
              performed on (default: random)
          :arg realtime: Specify whether to perform the operation in realtime or
              search mode
          :arg refresh: Refresh the shard containing the document before
              performing the operation
          :arg routing: Specific routing value
          :arg stored_fields: A comma-separated list of stored fields to return in
              the response