i18n = (I18N) helper.getComponent( I18N.class );
}
DependencyNode node = getNode( helper );
RequireUpperBoundDepsVisitor visitor
= new RequireUpperBoundDepsVisitor();
node.accept( visitor );
List<String> errorMessages = buildErrorMessages( visitor.getConflicts() );
if ( errorMessages.size() > 0 )
{
throw new EnforcerRuleException(
"Failed while enforcing RequireUpperBoundDeps. The error(s) are "