# Runtime

**Kind:** Type

**Source:** [`src/helper/adapter/index.ts`](https://github.com/honojs/hono/blob/main/src/helper/adapter/index.ts#L8)

**Part of:** [Helper](subsystem-src-helper)

## Definition

```ts
'node' | 'deno' | 'bun' | 'workerd' | 'fastly' | 'edge-light' | 'other'
```