src/vs/workbench/contrib/notebook/browser/controller/editActions.ts/DeleteCellAction/constructor
class DeleteCellAction:	constructor(
		@IContextKeyService contextKeyService: IContextKeyService,
		@ICommandService commandService: ICommandService
	) {
		super(
			{
				id: DELETE_CELL_COMMAND_ID,
				title: localize('notebookActions.deleteCell', "Delete Cell"),
				icon: icons.deleteCellIcon,
				precondition: NOTEBOOK_EDITOR_EDITABLE.isEqualTo(true)
			},
			undefined,
			{ shouldForwardArgs: true },
			contextKeyService,
			commandService);
	}