(CommandList
  children: [
    (C {(.)} 
      {
        (DQ 
          (CommandSubPart
            command_list: (CommandList children:[(C {(dirname)} {(DQ ($ VSub_Number "$0"))})])
            left_token: <Left_CommandSub "$(">
            spids: [86 92]
          ) (/bazel-common.sh)
        )
      }
    )
    (C {(bazel)} {(test)} 
      {
        (DQ 
          (BracedVarSub
            token: <VSub_Name BAZEL_ARGS>
            bracket_op: (WholeArray op_id:Lit_At)
            spids: [101 106]
          )
        )
      } {(//kythe/docs/schema)} {(//...)}
    )
  ]
)