const val TYPE_DATA = 0x0
  const val TYPE_HEADERS = 0x1
  const val TYPE_PRIORITY = 0x2
  const val TYPE_RST_STREAM = 0x3
  const val TYPE_SETTINGS = 0x4
  const val TYPE_PUSH_PROMISE = 0x5
  const val TYPE_PING = 0x6
  const val TYPE_GOAWAY = 0x7
  const val TYPE_WINDOW_UPDATE = 0x8
  const val TYPE_CONTINUATION = 0x9

  const val FLAG_NONE = 0x0
  const val FLAG_ACK = 0x1 // Used for settings and ping.

   * When that limit is exceeded, the web socket is gracefully shut down.
   */
  fun queueSize(): Long

  /**
   * Attempts to enqueue `text` to be UTF-8 encoded and sent as a the data of a text (type `0x1`)
   * message.
   *
   * This method returns true if the message was enqueued. Messages that would overflow the outgoing
   * message buffer (16 MiB) will be rejected and trigger a [graceful shutdown][close] of this web

@GwtCompatible
public final class PublicSuffixTrie {

  /** Each node in the trie takes up 3 characters. */
  static final int NODE_SIZE = 3;

  static final int CHILDREN_MASK = 0x7FF;
  static final int EXCLUSION_MASK = 0x1;
  static final int TYPE_MASK = 0x3;
  static final int EXCLUSION_SHIFT = 11;
  static final int WILDCARD_SHIFT = 12;
  static final int EXACT_SHIFT = 14;

  final CharSequence trieData;
  final CharSequence stringPool;

    for (codePoint in codePoints) {
      encodings[codePoint] = encoding
    }
  }

  fun nonPrintableAscii(encoding: Encoding) =
    apply {
      encodings[0x0] = encoding // Null character
      encodings[0x1] = encoding // Start of Header
      encodings[0x2] = encoding // Start of Text
      encodings[0x3] = encoding // End of Text
      encodings[0x4] = encoding // End of Transmission
      encodings[0x5] = encoding // Enquiry