docs: public Expectation[] retrieveRecordedExpectations(HttpRequest httpRequest) {
          String recordedExpectations = retrieveRecordedExpectations(httpRequest, Format.JSON);
          if (!Strings.isNullOrEmpty(recordedExpectations) && !recordedExpectations.equals("[]")) {
              return expectationSerializer.deserializeArray(recordedExpectations);
          } else {
              return new Expectation[0];
          }
      }