public function setDisk(?string $disk = null): self 	{ 		config([ 			'filesystems.disks' => $this->model->getStorageConfig(), 			'media-library.disk_name' => $disk ?? $this->model->getStorageDisk(), 			'media-library.max_file_size' => $this->model->getStorageMaxUploadSize(), 			'media-library.prefix' => $this->model->getDefaultMediaPrefix(), 		]);  		return $this; 	}