degradedPongsReceived++
            }
            AWAIT_PING -> {
              awaitPongsReceived++
              condition.signalAll()
            }
            else -> {
              // Ignore an unexpected pong.
            }
          }
        }
      } else {
        // Send a reply to a client ping if this is a server and vice versa.
        writerQueue.execute("$connectionName ping") {