// Test append returns the same buffer instance
    @Test
    public void test_append_returnsSameBuffer() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> "test";

        StringBuilder result = monitorTarget.append(buf, "key", supplier);
        assertSame(buf, result);
    }

    // Test appendTimestamp returns the same buffer instance
    @Test

   * Returns an unmodifiable map describing keys that appear in both maps, but with different
   * values.
   */
  Map<K, ValueDifference<V>> entriesDiffering();

  /**
   * Compares the specified object with this instance for equality. Returns {@code true} if the
   * given object is also a {@code MapDifference} and the values returned by the {@link
   * #entriesOnlyOnLeft()}, {@link #entriesOnlyOnRight()}, {@link #entriesInCommon()} and {@link

	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<include path="crawler/container.xml" />

	<component name="robotsTxtHelper" class="org.codelibs.fess.crawler.helper.RobotsTxtHelper"
		instance="prototype">
	</component>

        // Then
        assertTrue(msrpcSamrConnect2 instanceof samr.SamrConnect2, "Should be an instance of samr.SamrConnect2");
        assertTrue(msrpcSamrConnect2 instanceof DcerpcMessage, "Should be an instance of DcerpcMessage");
    }

    @Test
    @DisplayName("Should have correct opnum from parent class")
    void shouldHaveCorrectOpnum() {
        // When

    }
  }

  private enum LinkedListSupplier implements Supplier<List<?>> {
    INSTANCE;

    static <V extends @Nullable Object> Supplier<List<V>> instance() {
      // Each call generates a fresh LinkedList, which can serve as a List<V> for any V.
      @SuppressWarnings({"rawtypes", "unchecked"})
      Supplier<List<V>> result = (Supplier) INSTANCE;
      return result;
    }

    @Override

    }
  }

  private enum LinkedListSupplier implements Supplier<List<?>> {
    INSTANCE;

    static <V extends @Nullable Object> Supplier<List<V>> instance() {
      // Each call generates a fresh LinkedList, which can serve as a List<V> for any V.
      @SuppressWarnings({"rawtypes", "unchecked"})
      Supplier<List<V>> result = (Supplier) INSTANCE;
      return result;
    }

    @Override

   * multiple containers in a single method is discouraged in most cases, but it is vital to the
   * iterator tests.
   *
   * @return the new container instance
   * @param newValue the new container instance
   */
  @CanIgnoreReturnValue
  protected C resetContainer(C newValue) {
    container = newValue;
    return container;
  }

  /**
   * @see #expectContents(java.util.Collection)

<components>
	<component name="dataStoreFactory" class="org.codelibs.fess.ds.DataStoreFactory">
	</component>
	<component name="indexUpdateCallback" class="org.codelibs.fess.ds.callback.IndexUpdateCallbackImpl" instance="prototype">
	</component>

      Class<T> interfaceType, Function<? super T, ? extends T> wrapperFunction) {
    FreshValueGenerator generator = new FreshValueGenerator();
    T instance = generator.newFreshProxy(interfaceType);
    new EqualsTester()
        .addEqualityGroup(wrapperFunction.apply(instance), wrapperFunction.apply(instance))
        .addEqualityGroup(wrapperFunction.apply(generator.newFreshProxy(interfaceType)))

    }

    @Override
    protected String getValidationError() {
        return null;
    }

    /**
     * Builds the OpenSearch query for popular words.
     * @return The QueryBuilder instance.
     */
    protected QueryBuilder buildQuery() {
        final BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery();