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

        private static RegistryKey GetPredecessorRegistrySettings()
        {
            RegistryKey keyUser = Registry.CurrentUser;
              RegistryKey keySoftware = keyUser.OpenSubKey("Software", false);
              RegistryKey keyCompany = keySoftware.OpenSubKey("pro!vision GmbH", false);
              if (keyCompany == null) {
            return null;
              }
              return keyCompany.OpenSubKey("cqstone CQ Manager", true);
        }