public function down(): void 	{ 		Schema::table('product_variants', static function (Blueprint $table): void { 			$table->dropForeign('product_variants_custom_doll_part_id_foreign'); 			$table->dropColumn('custom_doll_part_id'); 			$table->uuid('variant_id')->nullable(); 			$table->foreign('variant_id')->references('id')->on('variants')->onDelete('cascade'); 		});  		Schema::table('products', static function (Blueprint $table): void { 			$table->dropColumn('price'); 			$table->dropColumn('weight'); 			$table->dropForeign('products_category_id_foreign'); 			$table->dropColumn('category_id'); 		}); 	}