}

  public void testSerialization() {
    SerializableTester.reserializeAndAssert(HostAndPort.fromParts("host", 80));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("host:80"));
    SerializableTester.reserializeAndAssert(HostAndPort.fromString("[::1]:104"));

 * could in principle cause problems for some users. Still, we expect that the benefits of the
 * nullness annotations in particular will outweigh the costs. (And it's worth noting that we have
 * released multiple ListenableFuture.class files that are not byte-for-byte compatible even from
 * the beginning, thanks to using different `-source -target` values for compiling our `-jre` and

  }

  /**
   * Returns a string representation of the host specifier suitable for inclusion in a URI. If the
   * host specifier is a domain name, the string will be normalized to all lower case. If the
   * specifier was an IPv6 address without brackets, brackets are added so that the result will be
   * usable in the host part of a URI.
   */
  @Override
  public String toString() {

 * could in principle cause problems for some users. Still, we expect that the benefits of the
 * nullness annotations in particular will outweigh the costs. (And it's worth noting that we have
 * released multiple ListenableFuture.class files that are not byte-for-byte compatible even from
 * the beginning, thanks to using different `-source -target` values for compiling our `-jre` and

   * all subscribers in the order they are posted.
   *
   * <p>When all subscribers are dispatched to using a <i>direct</i> executor (which dispatches on
   * the same thread that posts the event), this yields a breadth-first dispatch order on each
   * thread. That is, all subscribers to a single event A will be called before any subscribers to