+import javax.annotation.PostConstruct;
+
+import org.onap.aai.schemaservice.nodeschema.SchemaVersion;
+import org.onap.aai.schemaservice.nodeschema.SchemaVersions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+