protected function initializeHandler(): void
    {
        $this->handler = new Handlers\Gateway($this); 
        Loaders\IncomingEdgeLoader::pack($this)
            ->deploy($this->handler->cargo_in); 
        Loaders\OutgoingEdgeLoader::pack($this)
            ->deploy($this->handler->cargo_out);
        Loaders\FieldsLoader::pack($this)
            ->deploy($this->handler->cargo_fields);
    }