private function registerServices(): void
    {
        $services = ExchangerRegistry::getServices();

        foreach ($services as $name => $class) {
            self::register($name, $class);
        }
    }
private function registerServices(): void
    {
        $services = ExchangerRegistry::getServices();

        foreach ($services as $name => $class) {
            self::register($name, $class);
        }
    }
private function registerServices ( ) : void { $ services = ExchangerRegistry :: getServices ( ) ; foreach ( $ services as $ name => $ class ) { self :: register ( $ name , $ class ) ; } }
Registers the core services.
Registers the core services .