It is time to say goodbye: This version of Elastic Cloud Enterprise has reached end-of-life (EOL) and is no longer supported.
The documentation for this version is no longer being maintained. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
Controls the different 'languages' (painless/mustache/expressions) supported by the Elasticsearch cluster, and the different ways they can be used (file, index, inline). More complex configurations need to be handled by leaving these blank and controlling instead in the user YAML or JSON