+import org.onap.aai.modelloader.entity.Artifact;
+import org.onap.aai.modelloader.entity.model.ModelArtifact;
+import org.onap.aai.modelloader.entity.model.ModelSorter;
+import org.onap.aai.modelloader.entity.model.ModelV8Artifact;
+import org.onap.aai.modelloader.entity.model.NamedQueryArtifact;