EvaluationMetric need to provide a way to compute the quality metric for
a result list returned by some search (@link SearchHits) and a list of rated documents.RatedSearchHit that don't have a ratingXContentBuilder passed in.EvaluationMetric that should be included in the resonse.RankEvalRequest.SearchSourceBuilder that will be used
to create the search request for this search intent.SearchHit with a document rating.