code: func (remote *RemoteDebugger) StartPreciseCoverage(callCount, detailed bool) error {
  	_, err := remote.SendRequest("Profiler.startPreciseCoverage", Params{
  		"callCount": callCount,
  		"detailed":  detailed,
  	})
  	return err
  }
docs: // StartPreciseCoverage enable precise code coverage.