[6.x] Add SearchStrategyRegistry and defaultSearchStrategy to support existing search behavior, and integrate it with CallClient. (#20497)#20912

Merged

cjcenizal merged 1 commit intoelastic:6.xfrom cjcenizal:backport/6.x/pr-20497

Jul 18, 2018

+618-115

Commits on Jul 18, 2018

Add SearchStrategyRegistry and defaultSearchStrategy to support existing search behavior, and integrate it with CallClient. (elastic#20497 )
cjcenizal
committed