> For the complete documentation index, see [llms.txt](https://near-sdk-js.gitbook.io/near-sdk-js/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://near-sdk-js.gitbook.io/near-sdk-js/utils/type-aliases/mutable.md).

# Mutable

[**utils**](/near-sdk-js/utils.md) • **Docs**

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[near-sdk-js v2.0.0](/near-sdk-js/packages.md) / [utils](/near-sdk-js/utils.md) / Mutable

## Type Alias: Mutable\<T>

> **Mutable**<`T`>: `{ -readonly [P in keyof T]: T[P] }`

### Type Parameters

• **T**

### Defined in

[packages/near-sdk-js/src/utils.ts:67](https://github.com/near/near-sdk-js/blob/b58ac04fc6dff2f1120e9098c0cb059493486598/packages/near-sdk-js/src/utils.ts#L67)