Kraken\Runtime\RuntimeContainerInterface::fail PHP Method

    public function fail($ex, $params = []);

 /**
  * @param RuntimeContainerInterface $runtime
  * @param ChannelCompositeInterface $composite
  * @param ConfigInterface $config
  */
 private function registerRuntimeSupervision(RuntimeContainerInterface $runtime, ChannelCompositeInterface $composite, ConfigInterface $config)
 {
     $timerCollection = new TimerCollection();
     $channel = $composite->getBus('slave');
     $keepalive = $config->get('project.tolerance.child.keepalive');
     $channel->on('disconnect', function ($alias) use($runtime, $keepalive, $timerCollection) {
         if ($keepalive <= 0) {
             return;
         }
         $timer = $runtime->getLoop()->addTimer($keepalive, function () use($alias, $runtime, $timerCollection) {
             $timerCollection->removeTimer($alias);
             $runtime->fail(new ChildUnresponsiveException("Child runtime [{$alias}] is unresponsive."), ['origin' => $alias]);
         });
         $timerCollection->addTimer($alias, $timer);
     });
     $channel->on('connect', function ($alias) use($timerCollection) {
         if (($timer = $timerCollection->getTimer($alias)) !== null) {
             $timer->cancel();
             $timerCollection->removeTimer($alias);
         }
     });
     $channel = $composite->getBus('master');
     $keepalive = $config->get('project.tolerance.parent.keepalive');
     $channel->on('disconnect', function ($alias) use($runtime, $keepalive, $timerCollection) {
         if ($keepalive <= 0) {
             return;
         }
         $timer = $runtime->getLoop()->addTimer($keepalive, function () use($alias, $runtime, $timerCollection) {
             $timerCollection->removeTimer($alias);
             $runtime->fail(new ParentUnresponsiveException("Parent runtime [{$alias}] is unresponsive."), ['origin' => $alias]);
         });
         $timerCollection->addTimer($alias, $timer);
     });
     $channel->on('connect', function ($alias) use($timerCollection) {
         if (($timer = $timerCollection->getTimer($alias)) !== null) {
             $timer->cancel();
             $timerCollection->removeTimer($alias);
         }
     });
 }