*       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)
 *   <li>methods whose return type is a type variable but which can return {@code null} regardless
 *       of the type argument supplied by the user of the class: For example, {@code

      for (int index = 0; index < size; index++) {
        sum += arrayList.get(index).hashCode();
      }
    }
    return sum;
  }

  @Benchmark
  int arrayListIndexedLength(int reps) {
    int sum = 0;
    for (int i = 0; i < reps; i++) {
      for (int index = 0; index < arrayList.size(); index++) {
        sum += arrayList.get(index).hashCode();
      }
    }
    return sum;
  }

        assertEquals(3, processedUrls.size());
        assertEquals("http://example1.com", processedUrls.get(0));
        assertEquals("http://example2.com", processedUrls.get(1));
        assertEquals("http://example3.com", processedUrls.get(2));

        // Reset and verify
        transformer.reset();
        assertEquals(0, transformer.getState());

   *     RuntimeException}) is discouraged
   */
  public abstract T get();

  /**
   * Returns the contained instance if it is present; {@code defaultValue} otherwise. If no default
   * value should be required because the instance is known to be present, use {@link #get()}
   * instead. For a default value of {@code null}, use {@link #orNull}.
   *

long maxAccessCount = 0         // Max URLs (0 = unlimited)
```

### CrawlerThread (`CrawlerThread.java`)

Worker thread for crawling.

**Flow**: Poll URL → Validate → Get client → Delay → Check last-modified → Execute → Process → Extract children → Queue children → Delay

### CrawlerClientFactory

Pattern-based client selection using `LinkedHashMap<Pattern, CrawlerClient>`.

class Item(BaseModel):
    name: str
    description: Optional[str] = None


app = FastAPI(separate_input_output_schemas=False)


@app.post("/items/")
def create_item(item: Item):
    return item


@app.get("/items/")
def read_items() -> list[Item]:
    return [
        Item(
            name="Portal Gun",
            description="Device to travel through the multi-rick-verse",
        ),
        Item(name="Plumbus"),

    model_config = {"extra": "forbid"}

    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: list[str] = []


@app.get("/items/")
async def read_items(filter_query: Annotated[FilterParams, Query()]):

     */
    public UserRoleLoginException(final Class<? extends RootAction> actionClass) {
        this.actionClass = actionClass;
    }

    /**
     * Gets the action class associated with this exception.
     *
     * @return the action class that requires specific user roles
     */
    public Class<? extends RootAction> getActionClass() {
        return actionClass;
    }

    .connectionSpecs(listOf(*specs))
    .build()

private fun sendRequest(
  client: OkHttpClient,
  url: String,
) {
  System.out.printf("%-40s ", url)
  System.out.flush()
  println(Platform.get())
  val request =
    Request
      .Builder()
      .url(url)
      .build()
  try {
    client.newCall(request).execute().use { response ->
      val handshake = response.handshake
      println(

        for (Artifact artifact : artifacts) {
            Object key = VersionsMetadata.getKey(artifact);
            if (processedVersions.get(key) == null) {
                VersionsMetadata versionsMetadata = versions.get(key);
                if (versionsMetadata == null) {
                    versionsMetadata = new VersionsMetadata(artifact, timestamp);
                    versions.put(key, versionsMetadata);