Consolidate API version policy options #19489
Merged
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Following from Joel's comment that it's awkward for
PipelineOptions
to have two fields forAPIVersionPolicy
options, and what if we later want to add a third, this PR consolidates them in a new type. The result is easier to extend but still awkward because although it seems best for the policy constructor to take this new type, its values are logically required. That is to say, it doesn't make sense to constructAPIVersionPolicy
without telling it where on to set the version on requests. Functionally speaking though, these values are optional because the policy is a no-op when they aren't set. (That's a workaround forNewPipeline()
being unable to return an error.) So, please look it over and share your thoughts--maybe there's a tidier third way here.