(CommandList
  children: [
    (AndOr
      ops: [Op_DPipe]
      children: [(C {(cd)} {(/usr)}) (ControlFlow token:<ControlFlow_Exit exit>)]
    )
    (Pipeline
      children: [
        (BraceGroup
          children: [(C {(find)} {(include)} {(src/) (Lit_Other '*')} {(-type)} {(f)})]
          spids: [21]
        )
        (BraceGroup children:[(C {(sort)})] spids:[43])
        (BraceGroup
          children: [
            (C {(sed)} {(-e)} 
              {
                (SQ <'/\\.o$/d\n'> <'\t\t/\\.a$/d\n'> <'\t\t/\\.bak$/d\n'> <'\t\t/\\/a\\.out$/d\n'> 
                  <'\t\t/\\/core$/d\n'> <'\t\t/\\/bin\\/[^/]*$/d'>
                )
              }
            )
          ]
          spids: [56]
        )
        (BraceGroup children:[(C {(xargs)} {(crc)})] spids:[80])
      ]
      negated: F
    )
  ]
)