(DELAYFILE
  (SDFVERSION "3.0")
  (DESIGN "test")
  (DATE "Wed Mar 8 12:34:56 2023")
  (VENDOR "No Vendor")
  (PROGRAM "Human")
  (VERSION "1.0.0")
  (DIVIDER /)
  (VOLTAGE 5.5:5.0:4.5)
  (PROCESS "best=0.65:nom=1.0:worst=1.8")
  (TEMPERATURE -25.0:25.0:85.0)
  (TIMESCALE 1 ps)

  // Do nothing
  (CELL
        (CELLTYPE "top")
        (INSTANCE )
  )
)