> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fiddler.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# CallbackManagerModule

> Shape of the `@langchain/core/callbacks/manager` module export.

Shape of the `@langchain/core/callbacks/manager` module export.

Used by LangGraphInstrumentor.manuallyInstrument when the caller
provides the module reference directly (e.g. in bundled environments
where dynamic `import()` does not work).

## Properties

### `CallbackManager: CallbackManagerLike & Record<string, unknown>`

The CallbackManager class with configureSync or configure methods.