return
	}

	if err := json.NewEncoder(w).Encode(aggregateHealStateResult); err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}
}

// SitePerfHandler -  measures network throughput between site replicated setups
func (a adminAPIHandlers) SitePerfHandler(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

  /**
   * A listener that is invoked when an entry is removed due to expiration or garbage collection of
   * soft/weak entries.
   */
  final RemovalListener<K, V> removalListener;

  /** Measures time in a testable way. */
  final Ticker ticker;

  /** Factory used to create new entries. */
  final EntryFactory entryFactory;

  /**

  /**
   * A listener that is invoked when an entry is removed due to expiration or garbage collection of
   * soft/weak entries.
   */
  final RemovalListener<K, V> removalListener;

  /** Measures time in a testable way. */
  final Ticker ticker;

  /** Factory used to create new entries. */
  final EntryFactory entryFactory;

  /**

  - Windows Server Container support
  - CRI for pluggable container runtimes
  - `kubelet` API supports authentication and authorization

## Features

Features for this release were tracked via the use of the [kubernetes/features](https://github.com/kubernetes/features) issues repo.  Each Feature issue is owned by a Special Interest Group from [kubernetes/community](https://github.com/kubernetes/community)

- **API Machinery**

  - Increased cluster-level security granularity (eg: Access Review API)

## Features

This is the first release tracked via the use of the [kubernetes/features](https://github.com/kubernetes/features) issues repo.  Each Feature issue is owned by a Special Interest Group from [kubernetes/community](https://github.com/kubernetes/community)

- **API Machinery**

                    // If request failed and we added advanced features, retry with a basic request
                    if ((leasesAdded || persistentHandlesAdded) && shouldRetryWithBasicRequest(e)) {
                        if (log.isDebugEnabled()) {
                            log.debug("CREATE request with advanced features failed ({}), retrying with basic request",

### Feature

- Add an alpha informer_processing_latency_seconds histogram metric to measure event handler execution time in RealFIFO. ([#137101](https://github.com/kubernetes/kubernetes/pull/137101), [@richabanker](https://github.com/richabanker)) [SIG API Machinery, Architecture, Instrumentation and Testing]

import com.google.common.collect.testing.TestStringMapGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.testing.FakeTicker;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;

import com.google.common.collect.testing.TestStringMapGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.testing.FakeTicker;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;

      this.state = referent.state;
    }

    @Override
    public void finalizeReferent() {
      references.remove(this);
      state.closeIfLeaked();
    }
  }

  /** Ensures that {@code o} is not garbage collected until this point in the code. */
  @VisibleForTesting
  static void reachabilityFence(@Nullable Object o) {
    REACHABILITY_FENCE_CALLER.reachabilityFence(o);
  }