(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('KUBE_ROOT', {[ComSub (Com {[LIT_CHARS dirname]} {[DQ [VarSub BASH_SOURCE]]})] [LIT_CHARS /../..]})])
  (Com {[LIT_CHARS source]} {[VarSub KUBE_ROOT] [LIT_CHARS /cluster/gce/util.sh]}  )
  (Com {[LIT_CHARS source]} {[VarSub KUBE_ROOT] [LIT_CHARS /cluster/kubemark/config-default.sh]}  )
)