code: @Override
      public String getGroupSecurityName(String uniqueGroupId) throws EntryNotFoundException, RegistryException {
          if (uniqueGroupId == null) {
              throw new IllegalArgumentException("uniqueGroupId is null");
          }
          if (uniqueGroupId.isEmpty()) {
              throw new IllegalArgumentException("uniqueGroupId is an empty String");
          }
  
          if (!isValidGroup(uniqueGroupId)) {
              throw new EntryNotFoundException(uniqueGroupId + " does not exist");
          }
          return uniqueGroupId;
      }
docs: {@inheritDoc}