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displayed_sidebar: jsClientSidebar
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# Interface: ReadableStreamDefaultController<R\>

[internal](../modules/internal-10.md).ReadableStreamDefaultController

[MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController)

## Type parameters

| Name | Type |
| :------ | :------ |
| `R` | `any` |

## Properties

### desiredSize

• `Readonly` **desiredSize**: ``null`` \| `number`

[MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/desiredSize)

#### Defined in

docs-util/node_modules/typescript/lib/lib.dom.d.ts:18542

## Methods

### close

▸ **close**(): `void`

[MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/close)

#### Returns

`void`

#### Defined in

docs-util/node_modules/typescript/lib/lib.dom.d.ts:18544

___

### enqueue

▸ **enqueue**(`chunk?`): `void`

[MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/enqueue)

#### Parameters

| Name | Type |
| :------ | :------ |
| `chunk?` | `R` |

#### Returns

`void`

#### Defined in

docs-util/node_modules/typescript/lib/lib.dom.d.ts:18546

___

### error

▸ **error**(`e?`): `void`

[MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultController/error)

#### Parameters

| Name | Type |
| :------ | :------ |
| `e?` | `any` |

#### Returns

`void`

#### Defined in

docs-util/node_modules/typescript/lib/lib.dom.d.ts:18548