throws IOException {
        if (this.fileComment != null) {
            serializer.comment(this.fileComment);
        }
        serializer.setPrefix("", "http://maven.apache.org/EXTENSIONS/1.1.0");
        serializer.setPrefix("xsi", "http://www.w3.org/2001/XMLSchema-instance");
        serializer.startTag(NAMESPACE, tagName);
        serializer.attribute(
                "",

                    request.getPrefix(),
                    new ArrayList<>(candidates.keySet()),
                    request.getRepositorySession().getLocalRepository(),
                    request.getRepositories());
        } else {
            logger.debug(
                    "Resolved plugin prefix {} to {}:{} from repository {}",
                    request.getPrefix(),
                    result.getGroupId(),

      /** Synthetic response header: the local time when the request was sent. */
      private val SENT_MILLIS = "${Platform.get().getPrefix()}-Sent-Millis"

      /** Synthetic response header: the local time when the response was received. */
      private val RECEIVED_MILLIS = "${Platform.get().getPrefix()}-Received-Millis"
    }
  }

  private class CacheResponseBody(
    val snapshot: DiskLruCache.Snapshot,

    @Nonnull
    default String getNamespaceUri() {
        return namespaceUri();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nonnull
    default String getPrefix() {
        return prefix();
    }

    @Deprecated(since = "4.0.0", forRemoval = true)
    @Nullable
    default String getValue() {
        return value();
    }

  /** Exercise the cache format in OkHttp 2.7 and all earlier releases.  */
  @Test
  fun testGoldenCacheHttpsResponseOkHttp27() {
    val url = server.url("/")
    val urlKey = key(url)
    val prefix = get().getPrefix()
    val entryMetadata =
      """
      $url
      GET
      0
      HTTP/1.1 200 OK
      4
      Content-Length: 3
      $prefix-Received-Millis: ${System.currentTimeMillis()}