factory = $factory; $this->serviceMap = $serviceMap; $this->serviceTypes = $serviceTypes; parent::__construct($serviceMap); } public function get(string $id) { return isset($this->serviceMap[$id]) ? ($this->factory)(...$this->serviceMap[$id]) : parent::get($id); } public function getProvidedServices() : array { return $this->serviceTypes ?? ($this->serviceTypes = \array_map(function () { return '?'; }, $this->serviceMap)); } }