public function up(): void 	{ 		Schema::create('shop_products', function (Blueprint $table): void { 			$table->uuid('shop_id')->index(); 			$table->uuid('product_id')->index();  			$table->foreign('shop_id')->references('id')->on('shops'); 			$table->foreign('product_id')->references('id')->on('products'); 			$table->timestamps(); 			$table->index(Model::CREATED_AT); 		}); 	}