# Interface: `IInfo` [@jupyterlite/application](../modules/jupyterlite_application.md).[SingleWidgetApp](../modules/jupyterlite_application.SingleWidgetApp.md).IInfo The information about a Jupyter Notebook application. ## Properties ### `mimeExtensions` > > `Readonly` **`mimeExtensions`**: `IExtensionModule`[] The mime renderer extensions. #### Defined in [packages/application/src/singleWidgetApp.ts:142](https://github.com/jupyterlite/jupyterlite/blob/bcc7ac7/packages/application/src/singleWidgetApp.ts#L142)