name: sub_subcommands
description: Tests completions
flags:
  -c, --config*: some config file
  -V, --version: Print version
commands:
- name: test
  description: tests things
  flags:
    --case=: the case to test
    -V, --version: Print version
- name: some_cmd
  description: top level subcommand
  flags:
    -V, --version: Print version
  commands:
  - name: sub_cmd
    description: sub-subcommand
    flags:
      --config=: the other case to test
      -V, --version: Print version
    completion:
      flag:
        config:
        - Lest quotes aren't escaped.