assertTrue(result.remove(v0()));

    assertFalse(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEmpty(result);

    assertTrue(result.add(v1()));
    assertTrue(result.add(v2()));

    assertContentsAnyOrder(result, v1(), v2());
    assertContentsAnyOrder(multimap().get(k0()), v1(), v2());
    assertTrue(multimap().containsKey(k0()));

  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("hitCount", hitCount)
        .add("missCount", missCount)
        .add("loadSuccessCount", loadSuccessCount)
        .add("loadExceptionCount", loadExceptionCount)
        .add("totalLoadTime", totalLoadTime)
        .add("evictionCount", evictionCount)
        .toString();
  }

  }

  @Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("hitCount", hitCount)
        .add("missCount", missCount)
        .add("loadSuccessCount", loadSuccessCount)
        .add("loadExceptionCount", loadExceptionCount)
        .add("totalLoadTime", totalLoadTime)
        .add("evictionCount", evictionCount)
        .toString();
  }

    List<Entry<K, V>> entries = new ArrayList<>();
    multimap().forEach((k, v) -> entries.add(mapEntry(k, v)));
    assertEqualIgnoringOrder(getSampleElements(), multimap().entries());
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testForEachOrder() {
    List<Entry<K, V>> entries = new ArrayList<>();
    multimap().forEach((k, v) -> entries.add(mapEntry(k, v)));
    assertEqualIgnoringOrder(getSampleElements(), multimap().entries());

Guava testlib's Maven group ID is `com.google.guava` and its artifact ID is `guava-testlib`.

To add a dependency on Guava testlib using Maven, use the following:

```xml
<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava-testlib</artifactId>
  <version>33.5.0-jre</version>
  <scope>test</scope>
</dependency>
```

To add a dependency using Gradle:

```gradle
dependencies {

        for (MojoExecution execution : mojoExecutions) {
            MojoDescriptor mojoDescriptor = fillMojoDescriptor(session, project, execution);
            descriptors.add(mojoDescriptor);
        }

        return descriptors;
    }

    private MojoDescriptor fillMojoDescriptor(MavenSession session, MavenProject project, MojoExecution execution)

            if (value != null) {
                valueArray[i] = value.toString();
            }
        }
        return valueArray;
    }

    /**
     * Add a value.
     * @param key Key
     * @param value Value
     */
    public void add(final String key, final Object value) {
        if (logger.isDebugEnabled()) {

      Collection<E> collection, E sampleElement) {
    Collection<E> siblingCollection = new ArrayList<>();
    siblingCollection.add(sampleElement);

    Collection<E> copy = new ArrayList<>();
    copy.addAll(collection);

    try {
      collection.add(sampleElement);
      fail("add succeeded on unmodifiable collection");
    } catch (UnsupportedOperationException expected) {
    }

     */
    private final Map<String, List<Method>> methodByNameMap = new Hashtable<>();

    /**
     * Add a method to a list of methods by name.
     * For a particular class we are keeping track
     * of all the methods with the same name.
     *
     * @param method The method
     */
    void add(Method method) {
        String methodName = method.getName();

        List<Method> l = get(methodName);

                      }

                      @Override
                      public int add(String element, int occurrences) {
                        throw new UnsupportedOperationException();
                      }

                      @Override
                      public boolean add(String element) {
                        throw new UnsupportedOperationException();
                      }