(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:tid)
          op: Equal
          rhs: {(DQ ('protocol version mismatch'))}
          spids: [7]
        )
      ]
      spids: [7]
    )
    (FuncDef
      name: mismatch
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:server)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                  spids: [21]
                )
              ]
              spids: [21]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:client)
                  op: Equal
                  rhs: {($ VSub_Number '$2')}
                  spids: [25]
                )
              ]
              spids: [25]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:banner)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [
                              (Pipeline
                                children: [
                                  (C {(echo)} {(${ VSub_Name client)})
                                  (C {(${ VSub_Name SSHD)} {(-o)} 
                                    {(DQ ('Protocol=') (${ VSub_Name server))} {(-i)} {(-f)} {(${ VSub_Name OBJ) (/sshd_proxy)}
                                  )
                                ]
                                negated: False
                              )
                            ]
                          )
                        left_token: <Left_Backtick '`'>
                        spids: [30 60]
                      )
                    }
                  spids: [29]
                )
              ]
              spids: [29]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:r)
                  op: Equal
                  rhs: {($ VSub_QMark '$?')}
                  spids: [63]
                )
              ]
              spids: [63]
            )
            (C {(trace)} {(DQ ('sshd prints ') (${ VSub_Name banner))})
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} {($ VSub_Name '$r')} {(-ne)} {(255)} {(Lit_Other ']')})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(fail)} 
                      {
                        (DQ ('sshd prints ') (${ VSub_Name banner) 
                          (' and accepts connect with version ') (${ VSub_Name client)
                        )
                      }
                    )
                  ]
                  spids: [-1 90]
                )
              ]
              spids: [-1 107]
            )
          ]
          spids: [18]
        )
      spids: [13 17]
    )
    (C {(mismatch)} {(2)} {(SSH-1.5-HALLO)})
    (If
      arms: [
        (if_arm
          cond: [(Sentence child:(C {(ssh_version)} {(1)}) terminator:<Op_Semi ';'>)]
          action: [(C {(mismatch)} {(1)} {(SSH-2.0-HALLO)})]
          spids: [-1 125]
        )
      ]
      spids: [-1 134]
    )
  ]
)