src/vs/platform/userDataSync/common/userDataAutoSyncService.ts/UserDataAutoSyncEnablementService/onDidStorageChange
class UserDataAutoSyncEnablementService:	private onDidStorageChange(storageChangeEvent: IStorageValueChangeEvent): void {
		if (storageChangeEvent.scope !== StorageScope.GLOBAL) {
			return;
		}

		if (enablementKey === storageChangeEvent.key) {
			this._onDidChangeEnablement.fire(this.isEnabled());
			return;
		}
	}