Optional commandThe command linker used by the application.
Optional contextA custom renderer for the context menu.
Optional docThe document registry instance used by the application.
Optional pluginApplication plugin registry.
If defined the options related to the plugin registry will be ignored.
Optional restoredPromise that resolves when state is first restored, returning layout description.
Optional serviceThe service manager used by the application.
The shell widget to use for the application.
This should be a newly created and initialized widget.
The application will attach the widget to the DOM.
Optional validateValidate that a plugin is allowed to be registered.
Default is () => true.
The plugin to validate
Whether the plugin can be registered or not.
We recommend you print a console message with the reason a plugin is invalid.
The options used to initialize a JupyterFrontEnd.