type Walk
import bend-kit-netip@0.1.0.0/netip.bend as Netipimport Base
106# Groups read so far, each list newest first. Gap: "::" was seen; post holds the groups after it.
107type Walk is Data:
108 NoGap{pre: List<&2, U32>}
109 Gap{pre: List<&2, U32>, post: List<&2, U32>}