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

```ts
type TestNativeFetchHandler = (
  input: RequestInfo | URL,
  init: RequestInit | undefined,
) => Awaitable<Response>;
```

Defined in: [packages/common/src/Http.ts:546](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Http.ts#L546)

Handler for one [TestNativeFetch](https://evolu.dev/docs/api-reference/common/Http/interfaces/TestNativeFetch) call.