addMessengerSection example

$this->addValidationSection($rootNode, $enableIfStandalone);
        $this->addAnnotationsSection($rootNode, $willBeAvailable);
        $this->addSerializerSection($rootNode, $enableIfStandalone);
        $this->addPropertyAccessSection($rootNode, $willBeAvailable);
        $this->addPropertyInfoSection($rootNode, $enableIfStandalone);
        $this->addCacheSection($rootNode, $willBeAvailable);
        $this->addPhpErrorsSection($rootNode);
        $this->addExceptionsSection($rootNode);
        $this->addWebLinkSection($rootNode, $enableIfStandalone);
        $this->addLockSection($rootNode, $enableIfStandalone);
        $this->addSemaphoreSection($rootNode, $enableIfStandalone);
        $this->addMessengerSection($rootNode, $enableIfStandalone);
        $this->addSchedulerSection($rootNode, $enableIfStandalone);
        $this->addRobotsIndexSection($rootNode);
        $this->addHttpClientSection($rootNode, $enableIfStandalone);
        $this->addMailerSection($rootNode, $enableIfStandalone);
        $this->addSecretsSection($rootNode);
        $this->addNotifierSection($rootNode, $enableIfStandalone);
        $this->addRateLimiterSection($rootNode, $enableIfStandalone);
        $this->addUidSection($rootNode, $enableIfStandalone);
        $this->addHtmlSanitizerSection($rootNode, $enableIfStandalone);
        $this->addWebhookSection($rootNode, $enableIfStandalone);
        $this->addRemoteEventSection($rootNode, $enableIfStandalone);