*
     * @param content
     * @param error
     */
    void debug(CharSequence content, Throwable error);

    /**
     * Send an exception to the user in the <b>debug</b> error level.<br>
     * The stack trace for this exception will be output when this error level is enabled.
     *
     * @param error
     */
    void debug(Throwable error);

    /**
     * @return true if the <b>info</b> error level is enabled
     */

            this.session = session;
            return this;
        }

        @Nonnull
        public ArtifactResolverRequestBuilder trace(RequestTrace trace) {
            this.trace = trace;
            return this;
        }

        @Nonnull
        public ArtifactResolverRequestBuilder coordinates(Collection<? extends ArtifactCoordinates> coordinates) {
            this.coordinates = coordinates;

pkg runtime/trace, func NewFlightRecorder(FlightRecorderConfig) *FlightRecorder #63185
pkg runtime/trace, method (*FlightRecorder) Enabled() bool #63185
pkg runtime/trace, method (*FlightRecorder) Start() error #63185
pkg runtime/trace, method (*FlightRecorder) Stop() #63185
pkg runtime/trace, method (*FlightRecorder) WriteTo(io.Writer) (int64, error) #63185
pkg runtime/trace, type FlightRecorder struct #63185

        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;
    }

            this.session = session;
            return this;
        }

        @Nonnull
        public ArtifactDeployerRequestBuilder trace(RequestTrace trace) {
            this.trace = trace;
            return this;
        }

        @Nonnull
        public ArtifactDeployerRequestBuilder repository(RemoteRepository repository) {
            this.repository = repository;

        return false;
    }

    @Override
    public void trace(String msg) {}

    @Override
    public void trace(String format, Object arg) {}

    @Override
    public void trace(String format, Object arg1, Object arg2) {}

    @Override
    public void trace(String format, Object... arguments) {}

    @Override
    public void trace(String msg, Throwable t) {}

    @Override

            return this;
        }

        /**
         * Sets the request trace for debugging and diagnostics.
         *
         * @param trace the request trace, may be {@code null}
         * @return this builder, never {@code null}
         */
        public VersionResolverRequestBuilder trace(RequestTrace trace) {
            this.trace = trace;
            return this;
        }

        /**

            }

            DependencyRequest depRequest = new DependencyRequest(request, resolutionFilter);
            depRequest.setTrace(trace.trace());

            request.setTrace(RequestTrace.newChild(trace.trace(), depRequest));

            node = repoSystem.collectDependencies(pluginSession, request).getRoot();

            if (logger.isDebugEnabled()) {

            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

    private final S session;
    private final RequestTrace trace;

    protected BaseRequest(@Nonnull S session) {
        this(session, null);
    }

    protected BaseRequest(@Nonnull S session, RequestTrace trace) {
        this.session = requireNonNull(session, "session cannot be null");
        this.trace = trace;
    }

    @Nonnull
    @Override
    public S getSession() {