package org.openecomp.sdc.asdctool.impl.validator.utils;
+import org.apache.commons.lang.text.StrBuilder;
+import org.openecomp.sdc.asdctool.impl.validator.config.ValidationConfigManager;
+import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
+
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
-
-import org.apache.commons.lang.text.StrBuilder;
-import org.openecomp.sdc.asdctool.impl.validator.config.ValidationConfigManager;
-import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
+import java.util.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;