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# Interface: UnderlyingSink<W\>

[internal](../modules/internal-8.md).UnderlyingSink

## Type parameters

| Name | Type |
| :------ | :------ |
| `W` | `any` |

## Properties

### abort

• `Optional` **abort**: [`UnderlyingSinkAbortCallback`](internal-8.UnderlyingSinkAbortCallback.md)

#### Defined in

packages/medusa-js/node_modules/@types/node/stream/web.d.ts:125

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### close

• `Optional` **close**: [`UnderlyingSinkCloseCallback`](internal-8.UnderlyingSinkCloseCallback.md)

#### Defined in

packages/medusa-js/node_modules/@types/node/stream/web.d.ts:126

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### start

• `Optional` **start**: [`UnderlyingSinkStartCallback`](internal-8.UnderlyingSinkStartCallback.md)

#### Defined in

packages/medusa-js/node_modules/@types/node/stream/web.d.ts:127

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### type

• `Optional` **type**: `undefined`

#### Defined in

packages/medusa-js/node_modules/@types/node/stream/web.d.ts:128

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### write

• `Optional` **write**: [`UnderlyingSinkWriteCallback`](internal-8.UnderlyingSinkWriteCallback.md)<`W`\>

#### Defined in

packages/medusa-js/node_modules/@types/node/stream/web.d.ts:129