/**
 * A general-purpose bimap implementation using any two backing {@code Map} instances.
 *
 * <p>Note that this class contains {@code equals()} calls that keep it from supporting {@code
 * IdentityHashMap} backing maps.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 */
@GwtCompatible
abstract class AbstractBiMap<K extends @Nullable Object, V extends @Nullable Object>

 */
class HpackRoundTripTest : HpackDecodeTestBase() {
  internal class StoriesTestProvider : SimpleProvider() {
    override fun arguments(): List<Any> = createStories(RAW_DATA)
  }

  private val bytesOut = Buffer()
  private val hpackWriter = Hpack.Writer(out = bytesOut)

  @ParameterizedTest
  @ArgumentsSource(StoriesTestProvider::class)
  fun testRoundTrip(story: Story) {
    assumeFalse(

import okio.ByteString
import okio.ByteString.Companion.decodeHex
import okio.DeflaterSink

private val EMPTY_DEFLATE_BLOCK = "000000ffff".decodeHex()
private const val LAST_OCTETS_COUNT_TO_REMOVE_AFTER_DEFLATION = 4

class MessageDeflater(
  private val noContextTakeover: Boolean,
) : Closeable {
  private val deflatedBytes = Buffer()

  private val deflater =
    Deflater(
      Deflater.DEFAULT_COMPRESSION,

import org.jspecify.annotations.Nullable;

/** Methods factored out so that they can be emulated differently in GWT. */
final class Platform {
  static boolean isInstanceOfThrowableClass(Throwable t, Class<? extends Throwable> expectedClass) {
    /*
     * This method is used only by CatchingFuture, and CatchingFuture accepts only Throwable.class
     * under GWT.
     */
    return true;
  }

///

Em Python, você pode criar Gerenciadores de Contexto ao <a href="https://docs.python.org/3/reference/datamodel.html#context-managers" class="external-link" target="_blank">criar uma classe com dois métodos: `__enter__()` e `__exit__()`</a>.

Você também pode usá-los dentro de dependências com `yield` do **FastAPI** ao utilizar
`with` ou `async with` dentro da função da dependência:

 * witch is initialized using system properties.
 *
 */
public class Config {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private Config() {
        // Utility class - not instantiable
    }

    private static final Logger log = LoggerFactory.getLogger(Config.class);

    /**
     * This static method registers the SMB URL protocol handler which is

 *
 * @author George van den Driessche
 */
@AndroidIncompatible // test-suite builders
public final class MapTestSuiteBuilderTests extends TestCase {
  private MapTestSuiteBuilderTests() {}

  public static Test suite() {
    TestSuite suite = new TestSuite(MapTestSuiteBuilderTests.class.getSimpleName());
    suite.addTest(testsForHashMapNullKeysForbidden());
    suite.addTest(testsForHashMapNullValuesForbidden());

import jakarta.annotation.PostConstruct;

/**
 * Helper class for managing popular words and suggestions.
 * Provides functionality to retrieve popular words based on search parameters
 * and manages caching for improved performance.
 */
public class PopularWordHelper {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(PopularWordHelper.class);

import java.util.concurrent.TimeUnit;

/**
 * Factory methods for {@link ExecutorService} for testing.
 *
 * @author Chris Nokleberg
 * @since 14.0
 */
@GwtIncompatible
public final class TestingExecutors {
  private TestingExecutors() {}

  /**
   * Returns a {@link ScheduledExecutorService} that never executes anything.
   *

# Without aliases


@app.get("/optional-str")
async def read_optional_str(p: Annotated[Optional[str], Header()] = None):
    return {"p": p}


class HeaderModelOptionalStr(BaseModel):
    p: Optional[str] = None


@app.get("/model-optional-str")
async def read_model_optional_str(p: Annotated[HeaderModelOptionalStr, Header()]):
    return {"p": p.p}