A Handler is a typeclass used by the ElasticClient in order to
create ElasticRequest instances which are sent to the elasticsearch
server, as well as returning a ResponseHandler which handles the
response from the server.
T
the type of the request object handled by this handler
U
the type of the response object returned by this handler
A Handler is a typeclass used by the ElasticClient in order to create ElasticRequest instances which are sent to the elasticsearch server, as well as returning a ResponseHandler which handles the response from the server.
the type of the request object handled by this handler
the type of the response object returned by this handler