Queries that completed successfully. Failed and cancelled ones appear in none of the three.
Queries not started yet.
How far along the pipeline is, from 0 to 1.
Queries running now, each with its own progress.
Where the run has got to, the same value Pipeline.getInfo reports.
How far a running pipeline has got, as handed to the
onProgresscallback.Remarks
defaultLogger prints one of these; pass it to
onProgressif the default format suits.