}

            @Override
            public int getUnassignedShards() {
                return 0;
            }

            @Override
            public int getDelayedUnassignedShards() {
                return 0;
            }

            @Override
            public int getNumberOfPendingTasks() {
                return 0;
            }

            @Override

            }
            if (fieldSet.contains(DELAYED_UNASSIGNED_SHARDS)) {
                builder.field(DELAYED_UNASSIGNED_SHARDS, response.getDelayedUnassignedShards());
            }
            if (fieldSet.contains(NUMBER_OF_PENDING_TASKS)) {
                builder.field(NUMBER_OF_PENDING_TASKS, response.getNumberOfPendingTasks());
            }

            engineObj.initializingShards = response.getInitializingShards();
            engineObj.unassignedShards = response.getUnassignedShards();
            engineObj.delayedUnassignedShards = response.getDelayedUnassignedShards();
            engineObj.numberOfPendingTasks = response.getNumberOfPendingTasks();
            engineObj.numberOfInFlightFetch = response.getNumberOfInFlightFetch();