[**@jupyterlite**](../../../../../README.md) *** [@jupyterlite](../../../../../README.md) / [@jupyterlite/server](../../../README.md) / [IServiceWorkerManager](../README.md) / IStdinHandler # Interface: ~~IStdinHandler()~~ Defined in: tokens.d.ts:59 Interface for handler of stdin requests received via Service Worker. Types are `any` because they are defined by whatever calls `registerStdinHandler` and the ServiceWorkerManager does not need to understand them, it just passes them through without altering them. > **IStdinHandler**(`message`): `Promise`\<`any`\> Defined in: tokens.d.ts:60 Interface for handler of stdin requests received via Service Worker. Types are `any` because they are defined by whatever calls `registerStdinHandler` and the ServiceWorkerManager does not need to understand them, it just passes them through without altering them. ## Parameters ### message `any` ## Returns `Promise`\<`any`\>