/**
  * Activates the plugin.
  *
  * @param Puli $puli The {@link Puli} instance.
  */
 public function activate(Puli $puli)
 {
     $puli->getEventDispatcher()->addListener(PuliEvents::GENERATE_FACTORY, function () use($puli) {
         // Function called just before the factory class is written.
         // Idea: let's delete the compiled container file. And let's recreate it only when needed!
         $filesystem = new Filesystem();
         $filesystem->remove(YacoFactory::getContainerFilePath());
         $logger = $puli->getLogger();
         if ($logger) {
             $puli->getLogger()->info("Bindings updated. Removing outdated container.");
         }
     });
 }