(command.CommandList
  children: [
    (command.AndOr
      children: [
        (command.DBracket
          left: <Id.KW_DLeftBracket '[['>
          expr: 
            (bool_expr.Binary
              op_id: Id.BoolBinary_GlobDEqual
              left: {($ Id.VSub_DollarName OSTYPE)}
              right: {<Id.Lit_Other '*'> <freebsd> <Id.Lit_Other '*'>}
            )
          right: <Id.Lit_DRightBracket ']]'>
          redirects: []
        )
        (command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})
      ]
      ops: [<Id.Op_DPipe _>]
    )
    (command.AndOr
      children: [
        (command.ShFunction
          name_tok: <_freebsd_update>
          name: _freebsd_update
          body: 
            (BraceGroup
              left: <Id.Lit_LBrace '{'>
              children: [
                (command.Simple
                  blame_tok: <local>
                  more_env: []
                  words: [{<local>} {<cur>} {<prev>} {<words>} {<cword>}]
                  redirects: []
                  do_fork: T
                )
                (command.AndOr
                  children: [
                    (command.Simple
                      blame_tok: <_init_completion>
                      more_env: []
                      words: [{<_init_completion>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ControlFlow keyword:<Id.ControlFlow_Return return>)
                  ]
                  ops: [<Id.Op_DPipe _>]
                )
                (command.Case
                  case_kw: <Id.KW_Case case>
                  to_match: (case_arg.Word w:{($ Id.VSub_DollarName prev)})
                  arms_start: <Id.KW_In in>
                  arms: [
                    (CaseArm
                      left: <-b>
                      pattern: (pat.Words words:[{<-b>} {<-d>}])
                      middle: <Id.Right_CasePat _>
                      action: [
                        (command.Simple
                          blame_tok: <_filedir>
                          more_env: []
                          words: [{<_filedir>} {<-d>}]
                          redirects: []
                          do_fork: T
                        )
                        (command.ControlFlow
                          keyword: <Id.ControlFlow_Return return>
                        )
                      ]
                      right: <Id.Op_DSemi _>
                    )
                    (CaseArm
                      left: <-f>
                      pattern: (pat.Words words:[{<-f>}])
                      middle: <Id.Right_CasePat _>
                      action: [
                        (command.Simple
                          blame_tok: <_filedir>
                          more_env: []
                          words: [{<_filedir>}]
                          redirects: []
                          do_fork: T
                        )
                        (command.ControlFlow
                          keyword: <Id.ControlFlow_Return return>
                        )
                      ]
                      right: <Id.Op_DSemi _>
                    )
                    (CaseArm
                      left: <-k>
                      pattern: (pat.Words words:[{<-k>} {<-r>} {<-s>} {<-t>}])
                      middle: <Id.Right_CasePat _>
                      action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return>)]
                      right: <Id.Op_DSemi _>
                    )
                  ]
                  arms_end: <Id.KW_Esac esac>
                  redirects: []
                )
                (command.ShAssignment
                  left: <Id.Lit_VarLike 'COMPREPLY='>
                  pairs: [
                    (AssignPair
                      left: <Id.Lit_VarLike 'COMPREPLY='>
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'COMPREPLY='> name:COMPREPLY)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (ShArrayLiteral
                            left: <Id.Op_LParen _>
                            words: [
                              {
                                (CommandSub
                                  left_token: <Id.Left_DollarParen '$('>
                                  child: 
                                    (command.Simple
                                      blame_tok: <compgen>
                                      more_env: []
                                      words: [
                                        {<compgen>}
                                        {<-W>}
                                        {(DQ <'fetch cron upgrade install rollback IDS'>)}
                                        {<-->}
                                        {($ Id.VSub_DollarName cur)}
                                      ]
                                      redirects: []
                                      do_fork: T
                                    )
                                  right: <Id.Eof_RParen _>
                                )
                              }
                            ]
                            right: <Id.Right_ShArrayLiteral _>
                          )
                        }
                    )
                  ]
                  redirects: []
                )
              ]
              redirects: []
              right: <Id.Lit_RBrace '}'>
            )
        )
        (command.Simple
          blame_tok: <complete>
          more_env: []
          words: [{<complete>} {<-F>} {<_freebsd_update>} {<freebsd-update>}]
          redirects: []
          do_fork: T
        )
      ]
      ops: [<Id.Op_DAmp _>]
    )
  ]
)