public static function getSubscribedEvents()
{
return [PackageEvents::PRE_PACKAGE_INSTALL => 'onPrePackage', PackageEvents::PRE_PACKAGE_UPDATE => 'onPrePackage', PackageEvents::PRE_PACKAGE_UNINSTALL => 'onPrePackage', PackageEvents::POST_PACKAGE_INSTALL => 'onPostPackage', PackageEvents::POST_PACKAGE_UPDATE => 'onPostPackage', PackageEvents::POST_PACKAGE_UNINSTALL => 'onPostPackage'];
}