(command.CommandList
  children: [
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (command.ShAssignment
              left: <Id.Lit_VarLike 'PATH='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'PATH='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'PATH='> name:PATH)
                  op: assign_op.Equal
                  rhs: 
                    {<'/bin'> <Id.Lit_Colon ':'> <'/usr/bin'> <Id.Lit_Colon ':'> <'/sbin'> 
                      <Id.Lit_Colon ':'> <'/usr/sbin'>
                    }
                )
              ]
              redirects: []
            )
          terminator: <Id.Op_Semi _>
        )
        (command.Simple
          blame_tok: <export>
          more_env: []
          words: [{<export>} {<PATH>}]
          redirects: []
          do_fork: T
        )
      ]
    )
    (command.Simple
      blame_tok: <exec>
      more_env: []
      words: [{<exec>} {<sysctl>} {<-n>} {<hw.pagesize>}]
      redirects: []
      do_fork: T
    )
  ]
)