Session session;
        RequestTrace trace;
        ArtifactCoordinates artifactCoordinates;
        List<RemoteRepository> repositories;

        public VersionResolverRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

        public VersionResolverRequestBuilder trace(RequestTrace trace) {
            this.trace = trace;
            return this;
        }

     *
     * @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;
    }

- Added feature gate `MutatingAdmissionPolicy` for enabling mutation policy in admission chain. ([#123425](https://github.com/kubernetes/kubernetes/pull/123425), [@cici37](https://github.com/cici37))
- Added kubelet metrics to track the memory manager allocation and pinning. ([#121778](https://github.com/kubernetes/kubernetes/pull/121778), [@Tal-or](https://github.com/Tal-or))

            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

- Introduced a new metric `kubelet_admission_rejections_total` to track the number of pods rejected during admission. ([#128556](https://github.com/kubernetes/kubernetes/pull/128556), [@AnishShah](https://github.com/AnishShah))

            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;
        }

        /**