(command.CommandList
  children: [
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (command.DBracket
          expr: 
            (bool_expr.Binary
              op_id: Id.BoolBinary_GlobDEqual
              left: {($ Id.VSub_DollarName '$OSTYPE')}
              right: {<Id.Lit_Other '*'> <freebsd> <Id.Lit_Other '*'>}
            )
        )
        (command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<1>})
      ]
    )
    (command.AndOr
      ops: [Id.Op_DAmp]
      children: [
        (command.ShFunction
          name: _freebsd_update
          body: 
            (command.BraceGroup
              children: [
                (C {<local>} {<cur>} {<prev>} {<words>} {<cword>})
                (command.AndOr
                  ops: [Id.Op_DPipe]
                  children: [
                    (C {<_init_completion>})
                    (command.ControlFlow token:<Id.ControlFlow_Return return>)
                  ]
                )
                (command.Case
                  to_match: {($ Id.VSub_DollarName '$prev')}
                  arms: [
                    (case_arm
                      pat_list: [{<-b>} {<-d>}]
                      action: [
                        (C {<_filedir>} {<-d>})
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                        )
                      ]
                      spids: [56 59 70 -1]
                    )
                    (case_arm
                      pat_list: [{<-f>}]
                      action: [
                        (C {<_filedir>})
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                        )
                      ]
                      spids: [73 74 83 -1]
                    )
                    (case_arm
                      pat_list: [{<-k>} {<-r>} {<-s>} {<-t>}]
                      action: [(command.ControlFlow token:<Id.ControlFlow_Return return>)]
                      spids: [86 93 99 -1]
                    )
                  ]
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:COMPREPLY)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (sh_array_literal
                            left: <Id.Op_LParen _>
                            words: [
                              {
                                (command_sub
                                  left_token: <Id.Left_DollarParen '$('>
                                  command_list: 
                                    (command.CommandList
                                      children: [
                                        (C {<compgen>} {<-W>} 
                                          {(DQ <'fetch cron upgrade install rollback IDS'>)} {<-->} {($ Id.VSub_DollarName '$cur')}
                                        )
                                      ]
                                    )
                                )
                              }
                            ]
                          )
                        }
                      spids: [106]
                    )
                  ]
                )
              ]
            )
        )
        (C {<complete>} {<-F>} {<_freebsd_update>} {<freebsd-update>})
      ]
    )
  ]
)