Christoph Büscher 8eacb153df
Add async_search.submit to HLRC #53592 (#53852)
This commit adds a new AsyncSearchClient to the High Level Rest Client which
initially supporst the submitAsyncSearch in its blocking and non-blocking
flavour. Also adding client side request and response objects and parsing code
to parse the xContent output of the client side AsyncSearchResponse together
with parsing roundtrip tests and a simple roundtrip integration test.

Relates to #49091
Backport of #53592
2020-03-20 13:15:58 +01:00
..