public String mgetDocumentsNew(String index,  Object... ids)  throws ElasticSearchException{
		return mgetDocuments(index, _doc,ids);
	}
public String mgetDocumentsNew ( String index , Object ... ids ) throws ElasticSearchException { return mgetDocuments ( index , _doc , ids ) ; }
For Elasticsearch 7 and 7+
https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-multi-get.html
@param index _mget
test/_mget
test/type/_mget
test/type/_mget?stored_fields=field1,field2
_mget?routing=key1
@param ids
@return
@throws ElasticSearchException