@Override
        public Result search(Query query,Execution execution, Connection connection) {
            Result result = new Result(query);
            result.hits().add(new Hit("from:" + connection.getResponse()));
            return result;
        }
This is the kind of searcher which will be implemented by those who wish to create a searcher which is a
client to a clustered service.
The goal is to make writing this correctly as simple as possible.
container-search/src/test/java/com/yahoo/search/cluster/test/ClusteredConnectionTestCase.java