Cover.CovData: type of gralha-coverage@0.1.0.1
Import: import gralha-coverage@0.1.0.1/cover.bend as Cover
Lines 21-26 of gralha-coverage@0.1.0.1/cover.bend: https://jend.leeeet.dev/read.txt?path=gralha-coverage@0.1.0.1/cover.bend&start_line=21&end_line=26

import Base

# A mask's coverage: rows of runs (top first, ascending runs), which a fill is
# painted from directly, or the tree, which clip masks and sampled tiles need
# for block and pixel queries.
type CovData is Data:
  CovRows{rows: List<&2, List<&2, Run>>}
  CovTreed{tree: CovTree}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovTree
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=Run