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  children: [
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      name: _gzip
      body: 
        (BraceGroup
          children: [
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            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<_init_completion>})
                (command.ControlFlow token:<Id.ControlFlow_Return return>)
              ]
            )
            (command.Case
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              arms: [
                (case_arm
                  pat_list: [
                    {<-b>}
                    {<--blocksize>}
                    {<-S>}
                    {<--suffix>}
                    {<-h>}
                    {<--help>}
                    {<-V>}
                    {<--version>}
                  ]
                  action: [(command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>})]
                  spids: [37 52 60 -1]
                )
                (case_arm
                  pat_list: [{<-p>} {<--processes>}]
                  action: [
                    (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 '$('>
                                      child: 
                                        (C {<compgen>} {<-W>} 
                                          {
                                            (DQ <'{1..'> 
                                              (command_sub
                                                left_token: <Id.Left_DollarParen '$('>
                                                child: (C {<_ncpus>})
                                              ) <'}'>
                                            )
                                          } {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [69]
                        )
                      ]
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [63 66 102 -1]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$cur'))}
                              right: {<-> <Id.Lit_Other '*'>}
                            )
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (sh_array_literal
                                left: <Id.Op_LParen _>
                                words: [
                                  {
                                    (command_sub
                                      left_token: <Id.Left_DollarParen '$('>
                                      child: 
                                        (C {<compgen>} {<-W>} {(SQ <'$( _parse_help "$1" ) {-1..-9}'>)} 
                                          {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [128]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {($ Id.VSub_DollarName '$COMPREPLY')}
                              right: {<Id.Lit_Other '*'> <Id.BoolBinary_GlobEqual '='>}
                            )
                        )
                        (C {<compopt>} {<-o>} {<nospace>})
                      ]
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [109 125]
                )
              ]
            )
            (C {<local>} 
              {<Id.Lit_VarLike 'IFS='> 
                (single_quoted
                  left: <Id.Left_SingleQuoteC '$\''>
                  tokens: [<Id.Char_OneChar '\\n'>]
                )
              } {<Id.Lit_VarLike 'xspec='> (DQ <'*.@(gz|t[ag]z)'>)}
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobDEqual
                      left: 
                        {
                          (braced_var_sub
                            token: <Id.VSub_Number 1>
                            suffix_op: 
                              (suffix_op.Unary
                                op_id: Id.VOp1_DPound
                                arg_word: {<'*'> <Id.Lit_Slash '/'>}
                              )
                          )
                        }
                      right: {<pigz>}
                    )
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:xspec)
                      op: assign_op.Equal
                      rhs: {(DQ <'*.@([gz]z|t[ag]z)'>)}
                      spids: [213]
                    )
                  ]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                              right: {<--> <Id.Lit_Other '*'>}
                            )
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  action: [
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                              right: 
                                {<--> 
                                  (word_part.ExtGlob
                                    op: <Id.ExtGlob_At '@('>
                                    arms: [{<decompress>} {<list>} {<test>}]
                                  )
                                }
                            )
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:xspec)
                              op: assign_op.Equal
                              rhs: {(DQ <'!'>) ($ Id.VSub_DollarName '$xspec')}
                              spids: [260]
                            )
                          ]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                              right: {<--force>}
                            )
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:xspec)
                              op: assign_op.Equal
                              rhs: (word.Empty)
                              spids: [281]
                            )
                          ]
                        )
                      ]
                    )
                  ]
                  spids: [220 236]
                )
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                              right: {<-> <Id.Lit_Other '*'>}
                            )
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  action: [
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                              right: 
                                {<-> <Id.Lit_Other '*'> <Id.Lit_Other '['> <dlt> <Id.Lit_Other ']'> 
                                  <Id.Lit_Other '*'>
                                }
                            )
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:xspec)
                              op: assign_op.Equal
                              rhs: {(DQ <'!'>) ($ Id.VSub_DollarName '$xspec')}
                              spids: [322]
                            )
                          ]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                              right: {<-> <Id.Lit_Other '*'> <f> <Id.Lit_Other '*'>}
                            )
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:xspec)
                              op: assign_op.Equal
                              rhs: (word.Empty)
                              spids: [346]
                            )
                          ]
                        )
                      ]
                    )
                  ]
                  spids: [284 300]
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<_expand>})
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<0>}
                )
              ]
            )
            (C {<compopt>} {<-o>} {<filenames>})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:COMPREPLY)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (sh_array_literal
                        left: <Id.Op_LParen _>
                        words: [
                          {
                            (command_sub
                              left_token: <Id.Left_DollarParen '$('>
                              child: 
                                (C {<compgen>} {<-f>} {<-X>} {(DQ ($ Id.VSub_DollarName '$xspec'))} {<-->} 
                                  {(DQ ($ Id.VSub_DollarName '$cur'))}
                                )
                            )
                          }
                          {
                            (command_sub
                              left_token: <Id.Left_DollarParen '$('>
                              child: (C {<compgen>} {<-d>} {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))})
                            )
                          }
                        ]
                      )
                    }
                  spids: [370]
                )
              ]
            )
          ]
        )
    )
    (C {<complete>} {<-F>} {<_gzip>} {<gzip>} {<pigz>})
  ]
)