import okio.Buffer
import okio.BufferedSink
import okio.ByteString

/**
 * An [RFC 6455][rfc_6455]-compatible WebSocket frame writer.
 *
 * This class is not thread safe.
 *
 * [rfc_6455]: http://tools.ietf.org/html/rfc6455
 */
class WebSocketWriter(
  private val isClient: Boolean,
  val sink: BufferedSink,
  val random: Random,
  private val perMessageDeflate: Boolean,

@GwtCompatible
final class NullnessCasts {
  /**
   * Accepts a {@code @Nullable T} and returns a plain {@code T}, without performing any check that
   * that conversion is safe.
   *
   * <p>This method is intended to help with usages of type parameters that have {@linkplain
   * ParametricNullness parametric nullness}. If a type parameter instead ranges over only non-null

         * remotely resolved snapshot artifact gets passed into pathOf(). So producing a proper local artifact path
         * using DefaultRepositoryLayout requires us to enforce usage of the artifact's base version. This
         * transformation however contradicts the other use case of precisely obeying the repository's layout. The below

 * parameter.
 * </p>
 *
 * <p>
 * The reader uses a queue to buffer documents read from Elasticsearch, and it retries failed requests
 * up to a maximum number of times.
 * </p>
 *
 * <p>
 * <b>Usage:</b>
 * </p>
 * <pre>
 * {@code
 * Client client = // Obtain Elasticsearch client
 * SuggestSettings settings = // Obtain SuggestSettings
 * String indexName = "your_index_name";
 *

   *
   * TODO(cpovirk): So make it part of the open-source build, albeit package-private there?
   *
   * So we use uncheckedCastNullableTToT here. This is a weird usage of that method: The method is
   * documented as being for use with type parameters that have parametric nullness. But Converter's
   * type parameters do not. Still, we use it here so that we can suppress a warning at a smaller

        assertTrue(result);
    }

    // ========== Thread Safety Tests ==========

    /**
     * Test that deleteUrlList access is thread-safe with synchronized blocks.
     * This test verifies the ArrayList implementation works correctly when
     * all access is properly synchronized via indexUpdateCallback lock.
     */
    @Test

 * contract.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Louis Wasserman
 * @since 12.0
 */
@GwtIncompatible
public abstract class ForwardingNavigableMap<K extends @Nullable Object, V extends @Nullable Object>

 * contract.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Louis Wasserman
 * @since 12.0
 */
@GwtIncompatible
public abstract class ForwardingNavigableMap<K extends @Nullable Object, V extends @Nullable Object>

    tentativeArgs.set(i, alternateArg);
    return createInstance(factory, tentativeArgs).hashCode()
        == createInstance(factory, args).hashCode();
  }

  // distinctValues is a type-safe class-values mapping, but we don't have a type-safe data
  // structure to hold the mappings.
  @SuppressWarnings({"unchecked", "rawtypes"})
  private FreshValueGenerator newFreshValueGenerator() {
    FreshValueGenerator generator =

    /**
     * Test HTTP status code constants are defined correctly
     */
    @Test
    public void test_httpStatusCodeConstants() {
        // Verify the constants are accessible via reflection or by checking their usage
        // Since the constants are private, we test their values indirectly

        // The constants should match standard HTTP status codes
        // HTTP_STATUS_NOT_FOUND = 404
        // HTTP_STATUS_OK = 200