public function getEnvCounters()
    {
        $bag = $this->getParameterBag();
        $envPlaceholders = $bag instanceof EnvPlaceholderParameterBag ? $bag->getEnvPlaceholders() : $this->envPlaceholders;

        foreach ($envPlaceholders as $env => $placeholders) {
            if (!isset($this->envCounters[$env])) {
                $this->envCounters[$env] = 0;
            }
        }

        return $this->envCounters;
    }