src/vs/platform/userDataSync/common/userDataSyncResourceProvider.ts/UserDataSyncResourceProviderService/parseSyncData
class UserDataSyncResourceProviderService:	private parseSyncData(content: string, syncResource: SyncResource): ISyncData {
		try {
			const syncData: ISyncData = JSON.parse(content);
			if (isSyncData(syncData)) {
				return syncData;
			}
		} catch (error) {
			this.logService.error(error);
		}
		throw new UserDataSyncError(localize('incompatible sync data', "Cannot parse sync data as it is not compatible with the current version."), UserDataSyncErrorCode.IncompatibleRemoteContent, syncResource);
	}