Implement Handler<Collection<JsonObject>>
Implement handler of asyncresult of collection of json
Rename a few things for more clarity
Implement handler of async result of list of json
Implement async result of user type
Implement Handler<Void>
Implement async result void
Implement Handler<Throwable>
Basic returns
Use type return
List string return
Set string return
Overloaded method test
Test test super interfaces
Implement methods with generic types
Remove AsyncResultHandlerAdapter not needed
Test for fluent
Add test for static factory method
Implement cached return
Json return test