src/vs/workbench/services/lifecycle/browser/lifecycleService.ts/BrowserLifecycleService/shutdown
class BrowserLifecycleService:	shutdown(): void {
		this.logService.info('[lifecycle] shutdown triggered');

		// Remove `beforeunload` listener that would prevent shutdown
		this.beforeUnloadDisposable?.dispose();

		// Handle shutdown without veto support
		this.doShutdown();
	}