Interceptors can be chained. Suppose you have both a compressing interceptor and a checksumming interceptor: you'll need to decide whether data is compressed and then checksummed, or checksummed and then compressed. OkHttp uses lists to track interceptors, and interceptors are called in order.

   * network include {@code node}.
   *
   * <p>This is equal to the union of {@link #inEdges(Object)} and {@link #outEdges(Object)}.
   *
   * <p>If {@code node} is removed from the network after this method is called, the {@code Set}
   * {@code view} returned by this method will be invalidated, and will throw {@code
   * IllegalStateException} if it is accessed in any way, with the following exceptions:
   *
   * <ul>

package mockwebserver3

import java.io.IOException
import okio.BufferedSink

/**
 * The body of a [MockResponse].
 *
 * Unlike [okhttp3.ResponseBody], this interface is designed to be implemented by writers and not
 * called by readers.
 */
public interface MockResponseBody {
  /** The length of this response in bytes, or -1 if unknown. */
  public val contentLength: Long

  @Throws(IOException::class)

) : Dns {
  @Throws(UnknownHostException::class)
  override fun lookup(hostname: String): List<InetAddress> {
    if (this.dnsHostname != hostname) {
      throw UnknownHostException(
        "BootstrapDns called for $hostname instead of $dnsHostname",
      )
    }

    return dnsServers
  }

   * this graph.
   *
   * <p>This is equal to the union of {@link #predecessors(Object)} and {@link #successors(Object)}.
   *
   * <p>If {@code node} is removed from the graph after this method is called, the {@code Set}
   * {@code view} returned by this method will be invalidated, and will throw {@code
   * IllegalStateException} if it is accessed in any way, with the following exceptions:
   *
   * <ul>

  /** Sorts the elements by their natural ordering. */
  /*
   * While the current implementation returns `this`, that's not something we mean to guarantee.
   * Callers of TestContainerGenerator.order need to be prepared for implementations to return a new
   * collection.
   */
  @SuppressWarnings("CanIgnoreReturnValueSuggester")
  @Override

     */
    @Override
    public boolean equals(final Object obj) {
        return obj instanceof UniAddress && this.addr.equals(((UniAddress) obj).addr);
    }

    /**
     * Guess first called name to try for session establishment. This
     * method is used exclusively by the <code>jcifs.smb</code> package.
     *
     * @return the guessed name
     */
    @Override
    public String firstCalledName() {

     */
    public interface WitnessNotificationListener {
        /**
         * Called when a witness notification is received.
         *
         * @param notification the witness notification
         */
        void onWitnessNotification(WitnessNotification notification);

        /**
         * Called when a witness registration fails.
         *
         * @param registration the failed registration

   * and then applying {@code function} to that value. Note that the resulting supplier will not
   * call {@code supplier} or invoke {@code function} until it is called.
   */
  public static <F extends @Nullable Object, T extends @Nullable Object> Supplier<T> compose(
      Function<? super F, T> function, Supplier<F> supplier) {
    return new SupplierComposition<>(function, supplier);
  }

        assertTrue("Then callback should complete", latch.await(10, TimeUnit.SECONDS));
        Thread.sleep(100); // Wait a bit to ensure error callback isn't called
        assertEquals("Then callback should be invoked", 1, thenCount.get());
        assertEquals("Error callback should not be invoked", 0, errorCount.get());
    }

    @Test