src/vs/platform/userDataSync/common/userDataSyncService.ts/ProfileSynchronizer/onDidChangeResourceEnablement
class ProfileSynchronizer:	private onDidChangeResourceEnablement(syncResource: SyncResource, enabled: boolean): void {
		if (enabled) {
			this.registerSynchronizer(syncResource);
		} else {
			this.deRegisterSynchronizer(syncResource);
		}
	}