(CommandList
  children: [
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_GlobDEqual
                      left: {($ VSub_Name "$OSTYPE")}
                      right: {(Lit_Other "*") (linux) (Lit_Other "*")}
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (C {(.)} {(DQ ($ VSub_Name "$BASH_SOURCE") (.linux))})
            (ControlFlow token:<ControlFlow_Return return>)
          ]
          spids: [-1 19]
        )
      ]
      spids: [-1 32]
    )
    (AndOr
      children: [
        (FuncDef
          name: _umount
          body: 
            (BraceGroup
              children: [
                (Assignment
                  keyword: Assign_Local
                  pairs: [
                    (assign_pair lhs:(LhsName name:cur) op:Equal spids:[53])
                    (assign_pair lhs:(LhsName name:prev) op:Equal spids:[55])
                    (assign_pair lhs:(LhsName name:words) op:Equal spids:[57])
                    (assign_pair lhs:(LhsName name:cword) op:Equal spids:[59])
                  ]
                  spids: [51]
                )
                (AndOr
                  children: [(C {(_init_completion)}) (ControlFlow token:<ControlFlow_Return return>)]
                  op_id: Op_DPipe
                )
                (Assignment
                  keyword: Assign_Local
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:IFS)
                      op: Equal
                      rhs: {(SQ <Lit_EscapedChar "\\n">)}
                      spids: [72]
                    )
                  ]
                  spids: [70]
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:COMPREPLY)
                      op: Equal
                      rhs: 
                        {
                          (ArrayLiteralPart
                            words: [
                              {
                                (CommandSubPart
                                  command_list: 
                                    (CommandList
                                      children: [
                                        (C {(compgen)} {(-W)} {(SQ <"$( mount | cut -d\" \" -f 3 )">)} 
                                          {(--)} {(DQ ($ VSub_Name "$cur"))}
                                        )
                                      ]
                                    )
                                  left_token: <Left_CommandSub "$(">
                                  spids: [81 97]
                                )
                              }
                            ]
                          )
                        }
                      spids: [78]
                    )
                  ]
                  spids: [78]
                )
              ]
              spids: [48]
            )
          spids: [44 47]
        )
        (C {(complete)} {(-F)} {(_umount)} {(-o)} {(dirnames)} {(umount)})
      ]
      op_id: Op_DAmp
    )
  ]
)