[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Storage](https://evolu.dev/docs/api-reference/common/local-first/Storage) › BaseRange

Defined in: [packages/common/src/local-first/Storage.ts:220](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Storage.ts#L220)

## Extended by

- [`TimestampsRangeWithTimestampsBuffer`](https://evolu.dev/docs/api-reference/common/local-first/Protocol/interfaces/TimestampsRangeWithTimestampsBuffer)
- [`SkipRange`](https://evolu.dev/docs/api-reference/common/local-first/Storage/interfaces/SkipRange)
- [`FingerprintRange`](https://evolu.dev/docs/api-reference/common/local-first/Storage/interfaces/FingerprintRange)
- [`TimestampsRange`](https://evolu.dev/docs/api-reference/common/local-first/Storage/interfaces/TimestampsRange)

## Properties

<a id="upperbound"></a>

### upperBound

```ts
readonly upperBound: RangeUpperBound;
```

Defined in: [packages/common/src/local-first/Storage.ts:221](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Storage.ts#L221)