src/vs/workbench/services/textfile/electron-sandbox/nativeTextFileService.ts/NativeTextFileService/registerListeners
class NativeTextFileService:	private registerListeners(): void {

		// Lifecycle
		this.lifecycleService.onWillShutdown(event => event.join(this.onWillShutdown(), { id: 'join.textFiles', label: localize('join.textFiles', "Saving text files") }));
	}