import java.util.stream.Collectors;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.MapUtils;
-import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.janusgraph.graphdb.query.JanusGraphPredicate;
import org.openecomp.sdc.be.config.BeEcompErrorManager;