5896692b42
This initial commit includes: the definitions of a modular test, a module, a pipeline, and an in-memory implementation of such pipeline, and an IO implementation. Change-Id: I69056342da8ba126459064d7751d5dbe75ebcfca Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/100627 Reviewed-by: Johnni Winther <johnniwinther@google.com>