builder.field(NUMBER_OF_IN_FLIGHT_FETCH, response.getNumberOfInFlightFetch());
            }
            if (fieldSet.contains(TASK_MAX_WAIT_TIME_IN_QUEUE_IN_MILLIS)) {
                builder.field(TASK_MAX_WAIT_TIME_IN_QUEUE_IN_MILLIS, response.getTaskMaxWaitingTime().getMillis());
            }
            if (fieldSet.contains(ACTIVE_SHARDS_PERCENT_AS_NUMBER)) {