src/vs/platform/userDataSync/common/globalStateSync.ts/UserDataSyncStoreTypeSynchronizer/parseGlobalState
class UserDataSyncStoreTypeSynchronizer:	private parseGlobalState({ content }: IUserData): IGlobalState | null {
		if (!content) {
			return null;
		}
		const syncData = JSON.parse(content);
		if (isSyncData(syncData)) {
			return syncData ? JSON.parse(syncData.content) : null;
		}
		throw new Error('Invalid remote data');
	}