(command.CommandList
  children: [
    (C {(Setup.use)} {(Pkg)})
    (command.If
      arms: [
        (if_arm
          cond: [(command.Sentence child:(C {(Setup.params)} {(-package)}) terminator:<Op_Semi ';'>)]
          action: [
            (C {(Pkg.package)} {(Pkg.files)} 
              {(usr/share/doc/setup/README.md) (Lit_Equals '=') (README.md)} 
              {
                (command_sub
                  left_token: <Left_DollarParen '$('>
                  command_list: 
                    (command.CommandList
                      children: [
                        (command.ForEach
                          iter_name: file
                          iter_words: [
                            {
                              (command_sub
                                left_token: <Left_DollarParen '$('>
                                command_list: 
                                  (command.CommandList
                                    children: [(C {(find)} {(bin)} {(lib)} {(-type)} {(f)})]
                                  )
                              )
                            }
                          ]
                          do_arg_iter: F
                          body: 
                            (command.DoGroup
                              children: [
                                (command.Sentence
                                  child: 
                                    (C {(echo)} 
                                      {
                                        (DQ (usr/) ($ VSub_DollarName '$file') ('=') 
                                          ($ VSub_DollarName '$file')
                                        )
                                      }
                                    )
                                  terminator: <Op_Semi ';'>
                                )
                              ]
                            )
                        )
                      ]
                    )
                )
              }
            )
          ]
        )
      ]
    )
  ]
)