builder.field(INITIALIZING_SHARDS, response.getInitializingShards());
            }
            if (fieldSet.contains(UNASSIGNED_SHARDS)) {
                builder.field(UNASSIGNED_SHARDS, response.getUnassignedShards());
            }
            if (fieldSet.contains(DELAYED_UNASSIGNED_SHARDS)) {
                builder.field(DELAYED_UNASSIGNED_SHARDS, response.getDelayedUnassignedShards());
            }

            engineObj.relocatingShards = response.getRelocatingShards();
            engineObj.initializingShards = response.getInitializingShards();
            engineObj.unassignedShards = response.getUnassignedShards();
            engineObj.delayedUnassignedShards = response.getDelayedUnassignedShards();
            engineObj.numberOfPendingTasks = response.getNumberOfPendingTasks();