AEMManager.Util.RegistryMigration.MigrateSettings C# (CSharp) Method

        private static void MigrateSettings(RegistryKey source)
        {
            RegistryKey oldCqManager = source.OpenSubKey("CqManager", false);
              if (oldCqManager != null) {
            MigrateAemManager(oldCqManager, RegistryUtil.GetUserKey("AemManager"));
              }

              RegistryKey oldInstances = source.OpenSubKey("Instances", false);
              if (oldInstances != null) {
            MigrateInstances(oldInstances, RegistryUtil.GetUserKey("Instances"));
              }

              RegistryKey oldPreferences = source.OpenSubKey("Preferences", false);
              if (oldPreferences != null) {
            MigratePreferences(oldPreferences, RegistryUtil.GetUserKey("Preferences"));
              }
        }