EC2 discovery with TransportClient?

Elastic Stack Elasticsearch
1

Looks like client nodes are deprecated, so I'm figuring out how to use a TransportClient instead. The first problem is that plugins are no longer available, so how does EC2 discovery work when using a TransportClient?

2

Basically do this: https://www.elastic.co/guide/en/elasticsearch/client/java-api/current/client-connected-to-client-node.html