Cli.Fallback: type of shake@0.7.0.0
Import: import shake@0.7.0.0/src/cli.bend as Cli
Lines 17-20 of shake@0.7.0.0/src/cli.bend: https://jend.leeeet.dev/read.txt?path=shake@0.7.0.0/src/cli.bend&start_line=17&end_line=20

import Base

# what an argument the words leave unbound falls back to: the value of its
# env var, when `parse_env` is given one, else its default
type Fallback is Data:
  Fallback{env: Maybe<&2, String>, default: Maybe<&2, String>}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String