(CommandList
  children: [
    (Pipeline
      children: [
        (C {(ps)} {(-ef)})
        (C {(grep)} {(openssl)})
        (C {(/usr/bin/awk)} {(SQ <"{print $2}">)})
        (C {(xargs)} {(kill)} {(-9)})
      ]
      negated: False
    )
  ]
)