A list for the values of one run, from a builder that collected them into an array.
The run's values, in order, in an array the builder REUSES: it may be longer than the run, and what the list keeps must be copied out of it.
How many of values are the run's. Never 0.
values
What the builder saw: Hint bits.
A list for the values of one run, from a builder that collected them into an array.