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### Description Both PutIndexTemplateRequest and PutComponentTemplateRequest lacks allow_auto_create field. [Create or update component template API](https://www.elastic.co/guide/en/elasticsearch/reference/7.17/indices-component-template.html) [Create or update index template API](https://www.elastic.co/guide/en/elasticsearch/reference/7.17/indices-put-template.html) Index template API's doc didn't list this field but...