public function getReference(HandlerResolverInterface $resolver, ConferenceContext $context)
 {
     return new Card([], [new CardHeader([], 'Task Reference'), new SimpleTable(['Task', 'Description'], Std::map(function ($taskName) use($resolver, $context) {
         $instance = $resolver->instantiate($taskName);
         return [new Anchor(['href' => $context->method('illuminated.jobs', 'reference.single', ['id' => $taskName])], $taskName), $instance->getDescription()];
     }, $resolver->getAvailableTasks()))]);
 }