[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:179](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Array.ts#L179)

A readonly array with at least two elements.