return (Optional<T>) INSTANCE;
  }

  private Absent() {}

  @Override
  public boolean isPresent() {
    return false;
  }

  @Override
  public T get() {
    throw new IllegalStateException("Optional.get() cannot be called on an absent value");
  }

  @Override
  public T or(T defaultValue) {
    return checkNotNull(defaultValue, "use Optional.orNull() instead of Optional.or(null)");
  }

     * @return whether the key is contained
     */
    public boolean containsKey(final String key) {
        return super.containsKey(convertKey(key));
    }

    @Override
    public V get(final Object key) {
        return super.get(convertKey(key));
    }

    @Override
    public final V put(final String key, final V value) {
        return super.put(convertKey(key), value);
    }

    @Override

                ws.send(input.value)
                input.value = ''
                event.preventDefault()
            }
        </script>
    </body>
</html>
"""


@app.get("/")
async def get():
    return HTMLResponse(html)


async def get_cookie_or_token(
    websocket: WebSocket,
    session: str | None = Cookie(default=None),
    token: str | None = Query(default=None),
):

import okio.BufferedSource
import okio.Source
import okio.source
import org.brotli.dec.BrotliInputStream

object Brotli : CompressionInterceptor.DecompressionAlgorithm {
  override val encoding: String get() = "br"

  override fun decompress(compressedSource: BufferedSource): Source = BrotliInputStream(compressedSource.inputStream()).source()

 *     .transform((closer, result) -> result.get("userName"), directExecutor())
 *     .catching(DBException.class, e -> "no user", directExecutor())
 *     .finishToValueAndCloser(
 *         valueAndCloser -> this.userNameValueAndCloser = valueAndCloser, executor);
 *
 * // later
 * try { // get() will throw if the operation failed or was cancelled.
 *   UserName userName = userNameValueAndCloser.get();
 *   // do something with userName

    assertThat(map.get(TypeToken.of(Integer.class))).isNull();
    assertThat(map.getInstance(Integer.class)).isNull();

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));
    assertThat(map.get(TypeToken.of(Long.class))).isNull();

    public LeaseEntry getLease(Smb2LeaseKey key) {
        return leases.get(key);
    }

    /**
     * Get lease entry by path
     *
     * @param path file path
     * @return lease entry or null if not found
     */
    public LeaseEntry getLeaseByPath(String path) {
        Smb2LeaseKey key = pathToLease.get(path);
        return key != null ? leases.get(key) : null;
    }

    /**

]


app = FastAPI()


@app.get("/stream-raw", response_class=StreamingResponse)
async def stream_raw() -> AsyncIterable[str]:
    """Async generator with no internal await - would hang without checkpoint."""
    i = 0
    while True:
        yield f"item {i}\n"
        i += 1


@app.get("/stream-jsonl")
async def stream_jsonl() -> AsyncIterable[int]:

    /**
     * Returns a media type for this string.
     *
     * @throws IllegalArgumentException if this is not a well-formed media type.
     */
    @JvmStatic
    @JvmName("get")
    fun String.toMediaType(): MediaType {
      val typeSubtype =
        TYPE_SUBTYPE.matchAt(this, 0)
          ?: throw IllegalArgumentException("No subtype found for: \"$this\"")

 * already in the multimap has no effect. See the {@link Multimap} documentation for information
 * common to all multimaps.
 *
 * <p>The {@link #get}, {@link #removeAll}, and {@link #replaceValues} methods each return a {@link
 * Set} of values, while {@link #entries} returns a {@code Set} of map entries. Though the method