(CommandList
  children: [
    (C {(builtin)} 
      {
        (BracedVarSub
          token: <VSub_Number 0>
          suffix_op: (StringUnary op_id:VOp1_DPound arg_word:{('*') (Lit_Slash /)})
          spids: [11 16]
        )
      } 
      {
        (BracedVarSub
          token: <VSub_Number 1>
          suffix_op: (StringUnary op_id:VTest_Plus arg_word:{(DQ ($ VSub_At '$@'))})
          spids: [18 24]
        )
      }
    )
  ]
)