src/vs/workbench/browser/actions/layoutActions.ts/ToggleStatusbarVisibilityAction/run
class ToggleStatusbarVisibilityAction:	run(accessor: ServicesAccessor): Promise<void> {
		const layoutService = accessor.get(IWorkbenchLayoutService);
		const configurationService = accessor.get(IConfigurationService);

		const visibility = layoutService.isVisible(Parts.STATUSBAR_PART);
		const newVisibilityValue = !visibility;

		return configurationService.updateValue(ToggleStatusbarVisibilityAction.statusbarVisibleKey, newVisibilityValue);
	}