[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Array](https://evolu.dev/docs/api-reference/common/Array) › AtLeastTwoReadonlyArray

```ts
type AtLeastTwoReadonlyArray<T> = readonly [T, T, ...ReadonlyArray<T>];
```

Defined in: [packages/common/src/Array.ts:167](https://github.com/evoluhq/evolu/blob/ca15b4661c40fedb9f47434497086039cbdea38e/packages/common/src/Array.ts#L167)

A readonly array with at least two elements.