> would be
>>> > preferred that public classes be kept to a minimum.
>>>
>>> I think some of these classes are non-trivial. If that is the case it
>>> would be preferable to put them in an internal namespace to ensure
>>> adequate unit testing is in
In the context of https://issues.apache.org/jira/browse/ARROW-9318 /
https://github.com/apache/arrow/pull/8023 which port the parquet-mr
design to c++: there's some question whether that design is consistent
with the style and conventions of the c++ implementation of parquet.
Here is a Gist with
