(command.CommandList
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    (command.Simple
      blame_tok: <Setup.use>
      more_env: []
      words: [{<Setup.use>} {<Pkg>}]
      redirects: []
      do_fork: T
    )
    (command.If
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      arms: [
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            (condition.Shell
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                    (command.Simple
                      blame_tok: <Setup.params>
                      more_env: []
                      words: [{<Setup.params>} {<-package>}]
                      redirects: []
                      do_fork: T
                    )
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                )
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              more_env: []
              words: [
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                {<Pkg.files>}
                {<'usr/share/doc/setup/README.md'> <Id.Lit_Equals '='> <README.md>}
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                    child: 
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                        iter_names: [file]
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                                (CommandSub
                                  left_token: <Id.Left_DollarParen '$('>
                                  child: 
                                    (command.Simple
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                                      more_env: []
                                      words: [{<find>} {<bin>} {<lib>} {<-type>} {<f>}]
                                      redirects: []
                                      do_fork: T
                                    )
                                  right: <Id.Eof_RParen _>
                                )
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                                    more_env: []
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                                      {
                                        (DQ <'usr/'> ($ Id.VSub_DollarName file) <'='> 
                                          ($ Id.VSub_DollarName file)
                                        )
                                      }
                                    ]
                                    redirects: []
                                    do_fork: T
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                        redirects: []
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
          ]
          spids: [7 14]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
  ]
)