_:na9daa862db044a2e8f7b68f8e3380a36xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.opensearch.org/t/how-can-i-send-logs-to-elasticsearch-without-username-and-password-but-with-enabled-security-plugin/6824>