Generate all missing low-level methods #870

Job	Run time
Integration OpenSearch Unreleased (1.x, 11)	4m 24s
Integration OpenSearch Unreleased (2.x, 17)	11m 35s
Integration OpenSearch (2.16.0)	7m 4s
Integration OpenSearch Unreleased (main, 21)	5m 9s
Integration OpenSearch (2.14.0)	7m 3s
Integration OpenSearch (2.12.0)	6m 54s
Integration OpenSearch (2.10.0)	6m 28s
Integration OpenSearch (2.8.0)	6m 24s
Integration OpenSearch (2.6.0)	5m 37s
Integration OpenSearch (2.4.1)	4m 36s
Integration OpenSearch (2.2.1)	4m 40s
Integration OpenSearch (2.0.1)	4m 33s
Integration OpenSearch (1.3.14)	7m 47s
Integration OpenSearch (1.2.4)	4m 27s
Integration OpenSearch (1.1.0)	4m 28s
	1h 31m 9s

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