 #endif
 
 #if os(Linux)
-class Timer {
+final class Timer {
   typealias TimeT = timespec
   func getTime() -> TimeT {
     var ticks = timespec(tv_sec: 0, tv_nsec: 0)

  }
}
#else
class Timer {
  typealias TimeT = UInt64
  var info = mach_timebase_info_data_t(numer: 0, denom: 0)
  init() {

}
#endif

final class SampleRunner {
  let timer = Timer()
  let baseline = SampleRunner.getResourceUtilization()
  let c: TestConfig
