code: public ReportRequest asReportRequest(ReportingRule rules, Clock clock) {
      Preconditions.checkState(!Strings.isNullOrEmpty(getServiceName()),
          "a service name must be set");
  
      // Populate metrics and labels if they can be associated with a method/operation
      Operation.Builder o = asOperation(clock).toBuilder();
      if (!Strings.isNullOrEmpty(o.getOperationId())
          && !Strings.isNullOrEmpty(o.getOperationName())) {
        Map<String, String> addedLabels = Maps.newHashMap();
        for (KnownLabels l : rules.getLabels()) {
          l.performUpdate(this, addedLabels);
        }
        // Forcibly add platform reporting here, as the base service config does not specify it as a
        // label.
        if (!o.getLabelsMap().containsKey(KnownLabels.SCC_PLATFORM.getName())) {
          KnownLabels.SCC_PLATFORM.performUpdate(this, addedLabels);
        }
        o.putAllLabels(getSystemLabels());
        o.putAllLabels(addedLabels);
        KnownMetrics[] metrics = rules.getMetrics();
        for (KnownMetrics m : metrics) {
          m.performUpdate(this, o);
        }
      }
  
      String[] logs = rules.getLogs();
      long timestampMillis = clock.currentTimeMillis();
      for (String l : logs) {
        o.addLogEntries(asLogEntry(l, timestampMillis));
      }
  
      return ReportRequest.newBuilder().addOperations(o).setServiceName(getServiceName()).build();
    }
docs: Make a {@code LogEntry} from the instance.
  
  @param rules ReportingRules
  @param clock Clock
  @return the corresponding {@code ReportRequest}