a run of checkpoint gathers issued by one repeat (coppeliusGathers):
its first chunk and how many
52family CoppeliusGatherRun : Type 0
53constructor CoppeliusGatherRunValue
54field unrestricted coppeliusGatherRunFirst : Nat
55field unrestricted coppeliusGatherRunLength : NatThe compiler supplied declaration spans and resolved links from this source snapshot. This page does not assert that this file belongs to a checked closure.