byBatch bool,
request *ReadHistoryBranchRequest,
) ([]*historypb.HistoryEvent, []*historypb.History, []int64, []byte, int, error) {
history_manager.go
dataBlobs, transactionIDs, _, token, dataSize, err := m.readRawHistoryBranchAndFilter(ctx, request)
if err != nil {
return nil, nil, nil, nil, 0, err
}