getCacheHash example

self::$connection = MySQLFactory::create();

        return self::$connection;
    }

    public function getCacheDir(): string
    {
        return sprintf(
            '%s/var/cache/%s_h%s%s',
            $this->getProjectDir(),
            $this->getEnvironment(),
            $this->getCacheHash(),
            EnvironmentHelper::getVariable('TEST_TOKEN') ?? ''
        );
    }

    public function getPluginLoader(): KernelPluginLoader
    {
        return $this->pluginLoader;
    }

    public function shutdown(): void
    {