protected function registerDevProviders()
    {
        // Get Dev providers key.
        $devProviderKey = 'dev-booter.dev_providers_config_keys.'.$this->app->environment();

        // Register All dev providers.
        $this->collectDevServiceProviders($devProviderKey)->each(function ($devServiceProviders) {
            $this->app->register($devServiceProviders);
        });
    }