fixed compile error
Original commit: elastic/x-pack-elasticsearch@32a6037dc70c407c474282a40909c781c3cec015
@@ -78,9 +78,9 @@ import org.elasticsearch.xpack.core.ml.job.results.CategoryDefinition;
import org.elasticsearch.xpack.core.ml.job.results.Forecast;
import org.elasticsearch.xpack.core.ml.job.results.ForecastRequestStats;
import org.elasticsearch.xpack.core.ml.job.results.Result;
-import org.elasticsearch.xpack.core.persistent.PersistentTaskParams;
-import org.elasticsearch.xpack.core.persistent.PersistentTasksCustomMetaData;
-import org.elasticsearch.xpack.core.persistent.PersistentTasksNodeService;
+import org.elasticsearch.persistent.PersistentTaskParams;
+import org.elasticsearch.persistent.PersistentTasksCustomMetaData;
+import org.elasticsearch.persistent.PersistentTasksNodeService;
import org.elasticsearch.xpack.core.security.SecurityField;
import org.elasticsearch.xpack.core.security.authc.TokenMetaData;
