Neos\Flow\Core\Bootstrap::getEarlyInstance PHP Méthode

    public function getEarlyInstance($objectName)
    {
        if (!isset($this->earlyInstances[$objectName])) {
            throw new FlowException('Unknown early instance "' . $objectName . '"', 1322581449);
        }
        return $this->earlyInstances[$objectName];
    }

 /**
  * Adds an HTTP header to the Response which indicates that the application is powered by Flow.
  *
  * @param Response $response
  * @return void
  */
 protected function addPoweredByHeader(Response $response)
 {
     if ($this->settings['http']['applicationToken'] === 'Off') {
         return;
     }
     $applicationIsFlow = $this->settings['core']['applicationPackageKey'] === 'Neos.Flow';
     if ($this->settings['http']['applicationToken'] === 'ApplicationName') {
         if ($applicationIsFlow) {
             $response->getHeaders()->set('X-Flow-Powered', 'Flow');
         } else {
             $response->getHeaders()->set('X-Flow-Powered', 'Flow ' . $this->settings['core']['applicationName']);
         }
         return;
     }
     /** @var Package $applicationPackage */
     /** @var Package $flowPackage */
     $flowPackage = $this->bootstrap->getEarlyInstance(PackageManagerInterface::class)->getPackage('Neos.Flow');
     $applicationPackage = $this->bootstrap->getEarlyInstance(PackageManagerInterface::class)->getPackage($this->settings['core']['applicationPackageKey']);
     if ($this->settings['http']['applicationToken'] === 'MajorVersion') {
         $flowVersion = $this->renderMajorVersion($flowPackage->getInstalledVersion());
         $applicationVersion = $this->renderMajorVersion($applicationPackage->getInstalledVersion());
     } else {
         $flowVersion = $this->renderMinorVersion($flowPackage->getInstalledVersion());
         $applicationVersion = $this->renderMinorVersion($applicationPackage->getInstalledVersion());
     }
     if ($applicationIsFlow) {
         $response->getHeaders()->set('X-Flow-Powered', 'Flow/' . ($flowVersion ?: 'dev'));
     } else {
         $response->getHeaders()->set('X-Flow-Powered', 'Flow/' . ($flowVersion ?: 'dev') . ' ' . $this->settings['core']['applicationName'] . '/' . ($applicationVersion ?: 'dev'));
     }
 }