PluginPreDeactivateEvent example

$pluginBaseClass = $this->getPluginInstance($pluginBaseClassString);

        $deactivateContext = new DeactivateContext(
            $pluginBaseClass,
            $shopwareContext,
            $this->shopwareVersion,
            $plugin->getVersion(),
            $this->createMigrationCollection($pluginBaseClass)
        );
        $deactivateContext->setAutoMigrate(false);

        $this->eventDispatcher->dispatch(new PluginPreDeactivateEvent($plugin, $deactivateContext));

        try {
            $pluginBaseClass->deactivate($deactivateContext);

            if (!$shopwareContext->hasState(self::STATE_SKIP_ASSET_BUILDING)) {
                $this->assetInstaller->removeAssetsOfBundle($plugin->getName());
            }

            $plugin->setActive(false);

            // only skip rebuild if plugin has overwritten rebuildContainer method and source is system source (CLI)