private void addSolutionUsersToGroup(String groupName,Collection<PrincipalId> users) throws Exception {
  throw new NotImplementedError("Adding solution users to a group is not yet implemented");
}

private void addSolutionUsersToGroup ( String groupName , Collection < PrincipalId > users ) throws Exception { throw new NotImplementedError ( "Adding solution users to a group is not yet implemented" ) ; }
utility method for adding solution users to a group
