# timeoutManager

```ts
const timeoutManager: TimeoutManager;
```

Defined in: [packages/query-core/src/timeoutManager.ts:232](https://github.com/TanStack/query/blob/main/packages/query-core/src/timeoutManager.ts#L232)

Singleton instance of [TimeoutManager](../interfaces/TimeoutManager.md), used throughout TanStack Query to schedule and cancel timers.