(AndOr
  ops: [Op_DAmp]
  children: [
    (FuncDef
      name: _chgrp
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_Local
              pairs: [
                (assign_pair lhs:(LhsName name:cur) op:Equal spids:[13])
                (assign_pair lhs:(LhsName name:prev) op:Equal spids:[15])
                (assign_pair lhs:(LhsName name:words) op:Equal spids:[17])
                (assign_pair lhs:(LhsName name:cword) op:Equal spids:[19])
                (assign_pair lhs:(LhsName name:split) op:Equal spids:[21])
              ]
              spids: [11]
            )
            (AndOr
              ops: [Op_DPipe]
              children: [
                (C {(_init_completion)} {(-s)})
                (ControlFlow token:<ControlFlow_Return return>)
              ]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:cur)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name cur>
                        suffix_op: 
                          (PatSub
                            pat: 
                              {(EscapedLiteralPart token:<Lit_EscapedChar '\\\\'>) 
                                (EscapedLiteralPart
                                  token: <Lit_EscapedChar '\\\\'>
                                )
                              }
                            replace: {}
                            do_all: T
                            do_prefix: F
                            do_suffix: F
                          )
                        spids: [35 42]
                      )
                    }
                  spids: [34]
                )
              ]
              spids: [34]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(DQ ($ VSub_Name '$prev'))}
                              right: {(--reference)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(_filedir)})
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
                  ]
                  spids: [16777215 61]
                )
              ]
              spids: [16777215 72]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (C {($ VSub_Name '$split')})
                (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
              ]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(DQ ($ VSub_Name '$cur'))}
                              right: {(-) (Lit_Other '*')}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_Local
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:w)
                          op: Equal
                          spids: [111]
                        )
                        (assign_pair
                          lhs: (LhsName name:opts)
                          op: Equal
                          spids: [113]
                        )
                      ]
                      spids: [109]
                    )
                    (ForEach
                      iter_name: w
                      iter_words: [
                        {
                          (DQ 
                            (BracedVarSub
                              token: <VSub_Name words>
                              bracket_op: (WholeArray op_id:Lit_At)
                              spids: [123 128]
                            )
                          )
                        }
                      ]
                      do_arg_iter: F
                      body: 
                        (DoGroup
                          children: [
                            (AndOr
                              ops: [Op_DAmp Op_DAmp]
                              children: [
                                (DBracket
                                  expr: 
                                    (BoolBinary
                                      op_id: BoolBinary_GlobDEqual
                                      left: {(DQ ($ VSub_Name '$w'))}
                                      right: {(-) (ExtGlobPart op:<ExtGlob_At '@('> spids:[145 149])}
                                    )
                                )
                                (Assignment
                                  keyword: Assign_None
                                  pairs: [
                                    (assign_pair
                                      lhs: (LhsName name:opts)
                                      op: Equal
                                      rhs: {(DQ ('-H -L -P'))}
                                      spids: [155]
                                    )
                                  ]
                                  spids: [155]
                                )
                                (ControlFlow
                                  token: <ControlFlow_Break break>
                                )
                              ]
                            )
                          ]
                          spids: [133 165]
                        )
                      spids: [121 131]
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:COMPREPLY)
                          op: Equal
                          rhs: 
                            {
                              (ArrayLiteralPart
                                words: [
                                  {
                                    (CommandSubPart
                                      command_list: 
                                        (CommandList
                                          children: [
                                            (C {(compgen)} {(-W)} 
                                              {
                                                (SQ <'-c -h -f -R -v --changes --dereference\n'> 
                                                  <
'            --no-dereference --silent --quiet --reference --recursive --verbose\n'
                                                  > <'            --help --version $opts'>
                                                )
                                              } {(--)} {(DQ ($ VSub_Name '$cur'))}
                                            )
                                          ]
                                        )
                                      left_token: <Left_CommandSub '$('>
                                      spids: [171 189]
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [168]
                        )
                      ]
                      spids: [168]
                    )
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
                  ]
                  spids: [16777215 106]
                )
              ]
              spids: [16777215 199]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (LogicalOr
                              left: 
                                (LogicalAnd
                                  left: 
                                    (BoolBinary
                                      op_id: BoolBinary_eq
                                      left: {($ VSub_Name '$cword')}
                                      right: {(1)}
                                    )
                                  right: 
                                    (BoolBinary
                                      op_id: BoolBinary_GlobNEqual
                                      left: {(DQ ($ VSub_Name '$cur'))}
                                      right: {(-) (Lit_Other '*')}
                                    )
                                )
                              right: 
                                (BoolBinary
                                  op_id: BoolBinary_GlobDEqual
                                  left: {(DQ ($ VSub_Name '$prev'))}
                                  right: {(-) (Lit_Other '*')}
                                )
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [(C {(_allowed_groups)} {(DQ ($ VSub_Name '$cur'))})]
                  spids: [16777215 242]
                )
              ]
              else_action: [
                (AndOr
                  ops: [Op_DPipe]
                  children: [
                    (C {(_filedir)})
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
                  ]
                )
              ]
              spids: [252 264]
            )
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
          spids: [8]
        )
      spids: [4 7]
    )
    (C {(complete)} {(-F)} {(_chgrp)} {(chgrp)})
  ]
)