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    (command.AndOr
      ops: [Id.Op_DAmp Id.Op_DPipe]
      children: [
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        (command.BraceGroup
          children: [
            (command.ShFunction
              name: _comp_dpkg_hold_packages
              body: 
                (command.BraceGroup
                  children: [
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                      {<-FStatus>} {(SQ <hold>)} {<-n>} {<-s>} {<Package>}
                    )
                  ]
                )
            )
          ]
        )
        (command.BraceGroup
          children: [
            (command.ShFunction
              name: _comp_dpkg_hold_packages
              body: 
                (command.BraceGroup
                  children: [
                    (command.Pipeline
                      children: [
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                        (C {<awk>} 
                          {
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                              (word_part.EscapedLiteral
                                token: <Id.Lit_EscapedChar '\\$'>
                              ) <'2 }'>
                            )
                          }
                        )
                      ]
                      negated: F
                    )
                  ]
                )
            )
          ]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DAmp]
      children: [
        (command.ShFunction
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          body: 
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                (command.AndOr
                  ops: [Id.Op_DPipe]
                  children: [
                    (C {<_init_completion>})
                    (command.ControlFlow token:<Id.ControlFlow_Return return>)
                  ]
                )
                (C {<local>} 
                  {<Id.Lit_VarLike 'dashoptions='> 
                    (SQ <'-S -u -i -h --help --version -s --simulate -d\n'> 
                      <
'        --download-only -P --prompt -y --assume-yes -F --display-format -O\n'
                      > <'        --sort -w --width -f -r -g --with-recommends -R -G --without-recommends\n'> 
                      <
'        -t --target-release -V --show-versions -D --show-deps -Z -v --verbose\n'
                      > <'        --purge-unused --schedule-only'>
                    )
                  }
                )
                (C {<local>} {<special>} {<i>})
                (command.ForExpr
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                      left: (sh_lhs_expr.Name name:i)
                      right: (arith_expr.ArithWord w:{<Id.Lit_Digits 0>})
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                  cond: 
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                      op_id: Id.Arith_Less
                      left: (arith_expr.VarRef token:<Id.Lit_ArithVarLike i>)
                      right: 
                        (arith_expr.Binary
                          op_id: Id.Arith_Minus
                          left: 
                            (arith_expr.ArithWord
                              w: 
                                {
                                  (braced_var_sub
                                    token: <Id.VSub_Name words>
                                    prefix_op: (Id.VSub_Pound)
                                    bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                  )
                                }
                            )
                          right: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                        )
                    )
                  update: 
                    (arith_expr.UnaryAssign
                      op_id: Id.Node_PostDPlus
                      child: (sh_lhs_expr.Name name:i)
                    )
                  body: 
                    (command.DoGroup
                      children: [
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (command.Sentence
                                  child: 
                                    (command.DBracket
                                      expr: 
                                        (bool_expr.Binary
                                          op_id: Id.BoolBinary_GlobDEqual
                                          left: 
                                            {
                                              (braced_var_sub
                                                token: <Id.VSub_Name words>
                                                bracket_op: 
                                                  (bracket_op.ArrayIndex
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                                                      (arith_expr.VarRef
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                                                      )
                                                  )
                                              )
                                            }
                                          right: 
                                            {
                                              (word_part.ExtGlob
                                                op: <Id.ExtGlob_At '@('>
                                                arms: [
                                                  {
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{} {<re>}]
                                                    ) <install>
                                                  }
                                                  {
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{} {<un>}]
                                                    ) <hold>
                                                  }
                                                  {
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{} {<un>}]
                                                    ) <markauto>
                                                  }
                                                  {
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{<dist>} {<full>} {<safe>}]
                                                    ) <-upgrade>
                                                  }
                                                  {<download>}
                                                  {<show>}
                                                  {<forbid-version>}
                                                  {<purge>}
                                                  {<remove>}
                                                  {<changelog>}
                                                  {<why> 
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{} {<-not>}]
                                                    )
                                                  }
                                                  {<keep> 
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{} {<-all>}]
                                                    )
                                                  }
                                                  {<build-dep>}
                                                  {
                                                    (word_part.ExtGlob
                                                      op: <Id.ExtGlob_At '@('>
                                                      arms: [{<add>} {<remove>}]
                                                    ) <-user-tag>
                                                  }
                                                  {<versions>}
                                                ]
                                              )
                                            }
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                              action: [
                                (command.ShAssignment
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                                      lhs: (sh_lhs_expr.Name name:special)
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                                            bracket_op: 
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                                          )
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                                      spids: [255]
                                    )
                                  ]
                                )
                              ]
                              spids: [172 252]
                            )
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                        )
                        (command.AndOr
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                          children: [
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                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_GlobDEqual
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                                    {
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                                          (bracket_op.ArrayIndex
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                                          )
                                      )
                                    }
                                  right: {(SQ <-u>)}
                                )
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:dashoptions)
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                                  rhs: 
                                    {
                                      (braced_var_sub
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                                          (suffix_op.PatSub
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                                            replace_mode: Id.Undefined_Tok
                                          )
                                      )
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                                  spids: [290]
                                )
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                        (command.AndOr
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                                      )
                                    }
                                  right: {(SQ <-i>)}
                                )
                            )
                            (command.ShAssignment
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                      action: [
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                              action: [
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                                            words: [
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                                                (command_sub
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                                                            {<pkgnames>}
                                                            {($ Id.VSub_DollarName '$cur')}
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                                                          redirects: [
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                                )
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                              spids: [352 389 417 -1]
                            )
                            (case_arm
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                              action: [
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                                                (command_sub
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                            (case_arm
                              pat_list: [{<unhold>}]
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                                                (command_sub
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                                )
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                )
                (command.Case
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                  arms: [
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                        {<clean>}
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                        {<update>}
                        {<keep-all>}
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                      spids: [506 519 527 -1]
                    )
                    (case_arm
                      pat_list: [{<-S>}]
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                      spids: [530 531 542 -1]
                    )
                    (case_arm
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                      action: [
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                                        (command_sub
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                                                      {
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                )
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                      action: [
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                                        (command_sub
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                                }
                              spids: [639]
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                    )
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                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
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                              (sh_array_literal
                                left: <Id.Op_LParen _>
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                                    (command_sub
                                      left_token: <Id.Left_DollarParen '$('>
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (C {<compgen>} {<-W>} 
                                              {
                                                (SQ <'update upgrade safe-upgrade forget-new\n'> 
                                                  <
'            clean autoclean install reinstall remove hold unhold purge markauto\n'
                                                  > <'            unmarkauto why why-not dist-upgrade full-upgrade download search\n'> 
                                                  <
'            show forbid-version changelog keep-all build-dep add-user-tag\n'
                                                  > <'            remove-user-tag versions'>
                                                )
                                              } {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                            )
                                          ]
                                        )
                                    )
                                  }
                                ]
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                          spids: [666]
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                      ]
                    )
                  ]
                )
                (command.ControlFlow
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                  arg_word: {<0>}
                )
              ]
            )
        )
        (C {<complete>} {<-F>} {<_aptitude>} {<-o>} {<default>} {<aptitude>})
      ]
    )
  ]
)