https://discuss.elastic.co/t/indicesoptions-for-deletebyqueryaction-in-es-5-x/80219
IndicesOptions for DeleteByQueryAction (in ES 5.x) - Elasticsearch - Discuss the Elastic Stack
Mar 28, 2017 - I need to migrate this code to compatible with ES5.2 es 2.3.3 ver new DeleteByQueryRequestBuilder(client, DeleteByQueryAction.INSTANCE).setIndices( //...