protected function mergeConfigsPart(stdClass $config, stdClass $destination) {
		foreach ($config as $id => $value) {
			if (! $this->override && isset($destination->$id)) {
				throw new Exceptions\ServiceOverride('ID "' . $id . '" is already been set and cannot be overridden');
			}

			$destination->$id = $value;
		}
	}