src/vs/platform/userDataSync/common/extensionsStorageSync.ts/ExtensionsStorageSyncService/constructor
class ExtensionsStorageSyncService:	constructor(
		@IStorageService private readonly storageService: IStorageService,
		@IProductService private readonly productService: IProductService,
	) {
		super();
		this.initialize();
		this._register(this.storageService.onDidChangeValue(e => this.onDidChangeStorageValue(e)));
	}