---
url: /reference/api/Interface.OutExtensionObject.md
---
# Interface: OutExtensionObject

Defined in: [src/features/output.ts:23](https://github.com/rolldown/tsdown/blob/eb40c95efdf7f98d0aa7b0178a3b7322986bd419/src/features/output.ts#L23)

## Properties

### dts?

```ts
optional dts?: string;
```

Defined in: [src/features/output.ts:25](https://github.com/rolldown/tsdown/blob/eb40c95efdf7f98d0aa7b0178a3b7322986bd419/src/features/output.ts#L25)

***

### js?

```ts
optional js?: string;
```

Defined in: [src/features/output.ts:24](https://github.com/rolldown/tsdown/blob/eb40c95efdf7f98d0aa7b0178a3b7322986bd419/src/features/output.ts#L24)