chore(docs): Generated JS Client Reference (#5334)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/docs/content/references/js-client/interfaces/internal-10.UnderlyingDefaultSource.md

@@ -0,0 +1,81 @@
+---
+displayed_sidebar: jsClientSidebar
+---
+
+# Interface: UnderlyingDefaultSource<R\>
+
+[internal](../modules/internal-10.md).UnderlyingDefaultSource
+
+## Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `R` | `any` |
+
+## Properties
+
+### cancel
+
+• `Optional` **cancel**: [`UnderlyingSourceCancelCallback`](internal-10.UnderlyingSourceCancelCallback.md)
+
+#### Defined in
+
+docs-util/node_modules/typescript/lib/lib.dom.d.ts:1946
+
+___
+
+### pull
+
+• `Optional` **pull**: (`controller`: [`ReadableStreamDefaultController`](../modules/internal-10.md#readablestreamdefaultcontroller)<`R`\>) => `void` \| [`PromiseLike`](internal-8.PromiseLike.md)<`void`\>
+
+#### Type declaration
+
+▸ (`controller`): `void` \| [`PromiseLike`](internal-8.PromiseLike.md)<`void`\>
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `controller` | [`ReadableStreamDefaultController`](../modules/internal-10.md#readablestreamdefaultcontroller)<`R`\> |
+
+##### Returns
+
+`void` \| [`PromiseLike`](internal-8.PromiseLike.md)<`void`\>
+
+#### Defined in
+
+docs-util/node_modules/typescript/lib/lib.dom.d.ts:1947
+
+___
+
+### start
+
+• `Optional` **start**: (`controller`: [`ReadableStreamDefaultController`](../modules/internal-10.md#readablestreamdefaultcontroller)<`R`\>) => `any`
+
+#### Type declaration
+
+▸ (`controller`): `any`
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `controller` | [`ReadableStreamDefaultController`](../modules/internal-10.md#readablestreamdefaultcontroller)<`R`\> |
+
+##### Returns
+
+`any`
+
+#### Defined in
+
+docs-util/node_modules/typescript/lib/lib.dom.d.ts:1948
+
+___
+
+### type
+
+• `Optional` **type**: `undefined`
+
+#### Defined in
+
+docs-util/node_modules/typescript/lib/lib.dom.d.ts:1949