(command.AndOr
  ops: [Id.Op_DAmp]
  children: [
    (command.ShFunction
      name: _cowsay
      body: 
        (command.BraceGroup
          children: [
            (C {(local)} {(cur)} {(prev)} {(words)} {(cword)})
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {(_init_completion)})
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Return val:return span_id:26)
                )
              ]
            )
            (command.Case
              to_match: {($ Id.VSub_DollarName '$prev')}
              arms: [
                (case_arm
                  pat_list: [{(-f)}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (sh_array_literal
                                left: (Token id:Id.Op_LParen val:'(' span_id:42)
                                words: [
                                  {
                                    (command_sub
                                      left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:44)
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (C {(compgen)} {(-W)} 
                                              {
                                                (SQ 
                                                  (Token
                                                    id: Id.Lit_Chars
                                                    val: '$( cowsay -l 2>/dev/null | tail -n +2 )'
                                                    span_id: 53
                                                  )
                                                )
                                              } {(--)} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                            )
                                          ]
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [41]
                        )
                      ]
                    )
                    (command.ControlFlow
                      token: (Token id:Id.ControlFlow_Return val:return span_id:67)
                      arg_word: {(0)}
                    )
                  ]
                  spids: [37 38 72 -1]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:COMPREPLY)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (sh_array_literal
                        left: (Token id:Id.Op_LParen val:'(' span_id:84)
                        words: [
                          {
                            (command_sub
                              left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:86)
                              command_list: 
                                (command.CommandList
                                  children: [
                                    (C {(compgen)} {(-W)} 
                                      {
                                        (SQ 
                                          (Token
                                            id: Id.Lit_Chars
                                            val: '-b -d -g -p -s -t -w -y -e -f -h -l -n -T -W'
                                            span_id: 93
                                          )
                                        )
                                      } {(--)} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                    )
                                  ]
                                )
                            )
                          }
                        ]
                      )
                    }
                  spids: [83]
                )
              ]
            )
          ]
        )
    )
    (C {(complete)} {(-F)} {(_cowsay)} {(-o)} {(default)} {(cowsay)} {(cowthink)})
  ]
)