synchronizePluginThemes example

        // Creates a directory iterator for the default theme directory (engine/Shopware/Themes)         $directories = new DirectoryIterator($this->pathResolver->getFrontendThemeDirectory());

        // Synchronize the default themes which are stored in the engine/Shopware/Themes directory.         $themes = $this->synchronizeThemeDirectories($directories);

        // To prevent inconsistent data, themes that were removed from the file system have to be removed.         $this->removeDeletedThemes();

        // Before the inheritance can be built, the plugin themes have to be initialized.         $pluginThemes = $this->synchronizePluginThemes();

        $themes = array_merge($themes, $pluginThemes);

        // Builds the theme inheritance         $this->setParents($themes);

        /** @var Theme $theme */
        foreach ($themes as $theme) {
            $this->configurator->synchronize($theme);
        }
    }