v := ctx.Value(TraceParamsKey{})
	// Should match SingleHandler.Call checks.
	switch typed := v.(type) {
	case *MSS:
		trace.Path += typed.ToQuery()
	case map[string]string:
		m := MSS(typed)
		trace.Path += m.ToQuery()
	case *URLValues:
		trace.Path += typed.Values().Encode()
	case *NoPayload, *Bytes:
		trace.Path = fmt.Sprintf("%s?payload=%T", trace.Path, typed)

            if (trace.getData() instanceof CollectStepData) {
                collectStepTrace = (CollectStepData) trace.getData();
                break;
            }
            trace = trace.getParent();
        }
        return collectStepTrace;
    }

    /**
     * The event "artifact resolved" if fired WHENEVER an artifact is resolved, BUT it happens also when an artifact

        sb.append(",").append(appTypeSupplier.supply()).append(",").append(resource.getModuleName());
        final String trace = sb.toString();
        final int columnSize = 200;
        return trace.length() > columnSize ? trace.substring(0, columnSize) : trace;
    }

			// Form and append a line of stack trace into a
			// collection, 'trace', to build full stack trace
			trace = append(trace, fmt.Sprintf("%v:%v:%v()", file, lineNumber, funcName))

			// Ignore trace logs beyond the following conditions
			for _, name := range matchingFuncNames {
				if funcName == name {
					return trace
				}
			}
		}
		traceLevel++

            requests.add(new MetadataRequest(metadata, null, REPOSITORY_CONTEXT).setTrace(trace));

            for (RemoteRepository repository : request.getRepositories()) {
                requests.add(new MetadataRequest(metadata, repository, REPOSITORY_CONTEXT).setTrace(trace));
            }
        }

        // initial try, use locally cached metadata

	BeginAt      time.Time
	SQL          string
	RowsAffected int64
	Err          error
}

// New trace recorder
func (l *traceRecorder) New() *traceRecorder {
	return &traceRecorder{Interface: l.Interface, BeginAt: time.Now()}
}

// Trace implement logger interface
func (l *traceRecorder) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {
	l.BeginAt = begin

# Usage: tracing::extract_prow_trace.
# If running in a prow job, this sets the parent trace to the same value Prow tracing will use, as defined in https://github.com/kubernetes/test-infra/issues/30010
function tracing::extract_prow_trace() {
  if [[ "${PROW_JOB_ID:-}" != "" ]]; then
    local trace
    trace="$(<<< "$PROW_JOB_ID" tr -d '\-')"
    local span
    span="${trace:0:16}"
    export TRACEPARENT="01-${trace}-${span}-00"

			"Possible values for <level>: none, error, warn, info, debug")
	logCmd.PersistentFlags().StringVar(&stackTraceLevel, "stack-trace-level", stackTraceLevel,
		"Comma-separated list of stack trace level for scopes in the format of <scope>:<stack-trace-level>[,<scope>:<stack-trace-level>,...]. "+
			"Possible values for <stack-trace-level>: none, error, warn, info, debug")
	logCmd.PersistentFlags().StringVarP(&outputFormat, "output", "o",

			if opts.Trace != nil {
				opts.Trace(fmt.Sprint("listenCfg.Listen: ", e.Error()))
			}

			listenErrs[i] = e
			continue
		}

		tcpListener, ok := l.(*net.TCPListener)
		if !ok {
			listenErrs[i] = fmt.Errorf("unexpected listener type found %v, expected net.TCPListener", l)
			if opts.Trace != nil {
				opts.Trace(fmt.Sprint("net.TCPListener: ", listenErrs[i].Error()))

        return result;
    }

    private void missingDescriptor(
            RepositorySystemSession session, RequestTrace trace, Artifact artifact, Exception exception) {
        RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_DESCRIPTOR_MISSING);
        event.setTrace(trace);
        event.setArtifact(artifact);
        event.setException(exception);