question: public static String generateNativeGuid ( DbClient dbClient , Snapshot snapshot ) throws IOException { FileShare fs = dbClient . queryObject ( FileShare . class , snapshot . getParent ( ) ) ; StorageSystem device = dbClient . queryObject ( StorageSystem . class , fs . getStorageDevice ( ) ) ; return String . format ( "%s+%s+" + SNAPSHOT + "+%s" , _deviceTypeMap . get ( device . getSystemType ( ) ) , device . getSerialNumber ( ) , snapshot . getNativeId ( ) ) ; }
target:  Generates the format StorageSystem+SerialNumber+SNAPSHOT+NativeId native guid for Snapshot Objects