---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/sandbox/variables/DEFAULT_MIME_PEEK_BYTES.md
description: The default prefix available to a custom resolver.
---

# Variable: DEFAULT\_MIME\_PEEK\_BYTES

```ts
const DEFAULT_MIME_PEEK_BYTES: 512 = 512;
```

Defined in: [src/batteries/sandbox/defaults/extension\_mime.ts:5](https://github.com/NHTIO/ADK/blob/v1.20260824.1/src/src/batteries/sandbox/defaults/extension_mime.ts#L5)

The default prefix available to a custom resolver.