builder.field(ACTIVE_SHARDS, response.getActiveShards());
            }
            if (fieldSet.contains(RELOCATING_SHARDS)) {
                builder.field(RELOCATING_SHARDS, response.getRelocatingShards());
            }
            if (fieldSet.contains(INITIALIZING_SHARDS)) {
                builder.field(INITIALIZING_SHARDS, response.getInitializingShards());
            }