src/vs/code/electron-main/app.ts/CodeApplication/installMutex
class CodeApplication:	private async installMutex(): Promise<void> {
		const win32MutexName = this.productService.win32MutexName;
		if (isWindows && win32MutexName) {
			try {
				const WindowsMutex = await import('windows-mutex');
				const mutex = new WindowsMutex.Mutex(win32MutexName);
				once(this.lifecycleMainService.onWillShutdown)(() => mutex.release());
			} catch (error) {
				this.logService.error(error);
			}
		}
	}