private final transient int[] axesSizeProduct;

  static <E> List<List<E>> create(List<? extends List<? extends E>> lists) {
    ImmutableList.Builder<List<E>> axesBuilder = new ImmutableList.Builder<>(lists.size());
    for (List<? extends E> list : lists) {
      List<E> copy = ImmutableList.copyOf(list);
      if (copy.isEmpty()) {
        return ImmutableList.of();
      }
      axesBuilder.add(copy);
    }

              protected List<String> create(String[] elements) {
                // For this test we trust ArrayList works
                List<String> list = new ArrayList<>();
                Collections.addAll(list, elements);
                return new AbstractSequentialList<String>() {
                  @Override
                  public int size() {
                    return list.size();
                  }

    /** Name of the search engine cluster */
    protected String clusterName = "fesen";

    /** List of rewrite rules for document settings */
    protected final List<UnaryOperator<String>> docSettingRewriteRuleList = new ArrayList<>();

    /** List of rewrite rules for document mappings */
    protected final List<UnaryOperator<String>> docMappingRewriteRuleList = new ArrayList<>();

      private val moshi = Moshi.Builder().build()
      private val gistJsonAdapter = moshi.adapter(Gist::class.java)

      fun run() {
        val request = Request.Builder()
            .url("https://api.github.com/gists/c2a7c39532239ff261be")
            .build()
        client.newCall(request).execute().use { response ->
          if (!response.isSuccessful) throw IOException("Unexpected code $response")

  // For example:
  // class Holder<T> {
  //   void set(T data) {...}
  // }
  // Holder<List<?>> should *not* resolve the set() method to set(List<?> data).
  // Instead, it should create a capture of the wildcard so that set() rejects any List<T>.
  private static class WildcardCapturer {

    static final WildcardCapturer INSTANCE = new WildcardCapturer();

    assertAssignable(
        new TypeToken<List<? extends N1>>() {}, new TypeToken<List<? extends N1>>() {});
    assertAssignable(new TypeToken<List<? super N1>>() {}, new TypeToken<List<? super N1>>() {});
    assertAssignable(
        new TypeToken<List<? extends Number>>() {}, new TypeToken<List<? extends Number>>() {});
    assertAssignable(
        new TypeToken<List<? super Number>>() {}, new TypeToken<List<? super Number>>() {});
  }

        assertTrue(true);
    }

    public void test_setCommandList_empty() throws Exception {
        final List<String> commands = new ArrayList<>();
        generator.setCommandList(commands);
        assertTrue(true);
    }

    public void test_setCommandList_multiple() throws Exception {
        final List<String> commands = Arrays.asList("command1", "command2", "command3");
        generator.setCommandList(commands);

  }

  @Test
  fun testWithoutContext() {
    val httpUrl = "https://www.google.co.uk".toHttpUrl()
    assertFailure { httpUrl.topPrivateDomain() }.all {
      hasMessage("Unable to load PublicSuffixDatabase.list resource.")
      cause().isNotNull().all {
        hasMessage(
          "Platform applicationContext not initialized. " +
            "Startup Initializer possibly disabled, " +

  }

  /**
   * Returns a snapshot of queues that currently have tasks scheduled. The task runner does not
   * necessarily track queues that have no tasks scheduled.
   */
  fun activeQueues(): List<TaskQueue> {
    this.withLock {
      return busyQueues + readyQueues
    }
  }

  fun cancelAll() {
    assertLockHeld()
    for (i in busyQueues.size - 1 downTo 0) {

```

### Collection Utilities with Java 21 Support
```java
import org.codelibs.core.collection.CollectionsUtil;
import java.util.SequencedCollection;

// Enhanced collection creation
List<String> list = CollectionsUtil.newArrayList();
Map<String, Object> map = CollectionsUtil.newLinkedHashMap();
Set<String> caseInsensitiveSet = new CaseInsensitiveSet<>();

// Java 21 Sequenced Collections support