Luca Cavanna e747326b04 Adapt low-level REST client to java 8 (#41537)
As a follow-up to #38540 we can use lambda functions and method
references where convenient in the low-level REST client.

Also, we need to update the docs to state that the minimum java version
required is 1.8.
2019-05-22 18:47:54 +02:00
..
2019-04-24 23:40:03 -07:00