src/vs/workbench/browser/parts/titlebar/titlebarPart.ts/ToogleConfigAction/run
class ToogleConfigAction:	run(accessor: ServicesAccessor, ...args: any[]): void {
		const configService = accessor.get(IConfigurationService);
		const value = configService.getValue(this.section);
		configService.updateValue(this.section, !value);
	}