- Types: CycleState, StateData, StateKey and ErrNotFound moved from pkg/scheduler/framework to k8s.io/kube-scheduler/framework.
  Type CycleState that is passed to each plugin in scheduler framework is changed to the new interface CycleState (in k8s.io/kube-scheduler/framework) ([#131887](https://github.com/kubernetes/kubernetes/pull/131887), [@ania-borowiec](https://github.com/ania-borowiec)) [SIG Node, Scheduling, Storage and Testing]

import com.google.common.collect.testing.Helpers;
import com.google.common.testing.NullPointerTester;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for UnsignedInts
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullUnmarked
public class UnsignedIntsTest extends TestCase {

import com.google.common.collect.Maps;
import com.google.common.testing.EqualsTester;
import java.util.Collection;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link LoadingCache} tests that deal with empty caches.
 *
 * @author mike nonemacher
 */

@NullUnmarked

import com.google.common.collect.Maps;
import com.google.common.testing.EqualsTester;
import java.util.Collection;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * {@link LoadingCache} tests that deal with empty caches.
 *
 * @author mike nonemacher
 */

@NullUnmarked

---> 100%
```

</div>

## WebSockets client { #websockets-client }

### In production { #in-production }

In your production system, you probably have a frontend created with a modern framework like React, Vue.js or Angular.

And to communicate using WebSockets with your backend you would probably use your frontend's utilities.

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link CaseFormat}.
 *
 * @author Mike Bostock
 */
@GwtCompatible
@NullUnmarked
public class CaseFormatTest extends TestCase {

import java.lang.reflect.TypeVariable;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests that all {@code public static} methods "inherited" from superclasses are "overridden" in

package com.google.common.reflect;

import static org.junit.Assert.assertThrows;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests of {@link TypeResolver}.
 *
 * @author Ben Yu
 */

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import junit.framework.TestCase;

/**
 * Unit test for IteratorTester.
 *
 * @author Mick Killianey
 */
@GwtCompatible
@SuppressWarnings("serial") // No serialization is used in this test

import java.lang.reflect.TypeVariable;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests that all {@code public static} methods "inherited" from superclasses are "overridden" in