(command.CommandList
  children: [
    (C {<set>} {<-o>} {<errexit>})
    (C {<set>} {<-o>} {<nounset>})
    (C {<set>} {<-o>} {<pipefail>})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:KUBE_ROOT)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_DollarParen '$('>
                child: (C {<dirname>} {(DQ (${ Id.VSub_Name BASH_SOURCE))})
              ) <'/../..'>
            }
          spids: [63]
        )
      ]
    )
    (C {<Id.Lit_Colon ':'>} 
      {
        (braced_var_sub
          token: <Id.VSub_Name KUBECTL>
          suffix_op: 
            (suffix_op.Unary
              tok: <Id.VTest_ColonEquals ':='>
              arg_word: 
                {(${ Id.VSub_Name KUBE_ROOT) <Id.Lit_Slash '/'> <cluster> <Id.Lit_Slash '/'> 
                  <kubectl.sh>
                }
            )
        )
      }
    )
    (C {<Id.Lit_Colon ':'>} 
      {
        (braced_var_sub
          token: <Id.VSub_Name KUBE_CONFIG_FILE>
          suffix_op: (suffix_op.Unary tok:<Id.VTest_ColonEquals ':='> arg_word:{(DQ <config-test.sh>)})
        )
      }
    )
    (C {<export>} {<KUBECTL>} {<KUBE_CONFIG_FILE>})
    (C {<source>} {(DQ (${ Id.VSub_Name KUBE_ROOT) <'/cluster/kube-util.sh'>)})
    (C {<prepare-e2e>})
    (command.Pipeline
      children: [(C {(${ Id.VSub_Name KUBECTL)} {<get>} {<nodes>} {<--no-headers>}) (C {<wc>} {<-l>})]
      negated: F
    )
  ]
)