public function dispatchInstallerEvent($eventName, $devMode, PolicyInterface $policy, Pool $pool, CompositeRepository $installedRepo, Request $request, array $operations = array())
    {
        return $this->doDispatch(new InstallerEvent($eventName, $this->composer, $this->io, $devMode, $policy, $pool, $installedRepo, $request, $operations));
    }