}

  private static class Counter<N extends Number> {
    @Keep List<N> counts;
  }

  public void testWildcardCaptured_typeVariableDeclaresTypeBound_wildcardHasNoExplicitUpperBound()
      throws Exception {
    TypeToken<Counter<?>> type = new TypeToken<Counter<?>>() {};
    TypeToken<?> fieldType =
        type.resolveType(Counter.class.getDeclaredField("counts").getGenericType());

  }

  private static class Counter<N extends Number> {
    @Keep List<N> counts;
  }

  public void testWildcardCaptured_typeVariableDeclaresTypeBound_wildcardHasNoExplicitUpperBound()
      throws Exception {
    TypeToken<Counter<?>> type = new TypeToken<Counter<?>>() {};
    TypeToken<?> fieldType =
        type.resolveType(Counter.class.getDeclaredField("counts").getGenericType());

     */
    public void waitForNoWaitingThreads() {
        int count = waitingThreadNames.size();
        while (count > 0) {
            if (logger.isInfoEnabled()) {
                logger.info("{} waiting thread(s).", count);
            }
            ThreadUtil.sleep(systemCpuCheckInterval);
            count = waitingThreadNames.size();
        }
    }

    /**

                .setSize(sizeForUpdate)
                .setPreference(Constants.SEARCH_PREFERENCE_LOCAL)).execute().actionGet(fessConfig.getIndexScrollSearchTimeout());

        int count = 0;
        String scrollId = response.getScrollId();
        try {
            while (scrollId != null) {
                final SearchHits searchHits = response.getHits();

            <!-- Set max heap for tests. -->
            <!-- Catch dependencies on the default locale by setting it to hi-IN. -->
            <argLine>-Xmx1536M -Duser.language=hi -Duser.country=IN ${test.add.opens}</argLine>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-toolchains-plugin</artifactId>
          <version>3.2.0</version>
          <executions>

            <!-- Set max heap for tests. -->
            <!-- Catch dependencies on the default locale by setting it to hi-IN. -->
            <argLine>-Xmx1536M -Duser.language=hi -Duser.country=IN ${test.add.opens}</argLine>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-toolchains-plugin</artifactId>
          <version>3.2.0</version>
          <executions>

    }
    ```

    This above code relies on this `responseCount` extension val:

    ```kotlin
    val Response.responseCount: Int
      get() = generateSequence(this) { it.priorResponse }.count()
    ```
=== ":material-language-java: Java"
    ```java
      private final OkHttpClient client;

      public Authenticate() {
        client = new OkHttpClient.Builder()