src/vs/platform/userDataSync/common/globalStateSync.ts/UserDataSyncStoreTypeSynchronizer/getSyncStoreType
class UserDataSyncStoreTypeSynchronizer:	getSyncStoreType(userData: IUserData): UserDataSyncStoreType | undefined {
		const remoteGlobalState = this.parseGlobalState(userData);
		return remoteGlobalState?.storage[SYNC_SERVICE_URL_TYPE]?.value as UserDataSyncStoreType;
	}