/** Default read timeout (in milliseconds). The default is 10 seconds. */
  @get:JvmName("readTimeoutMillis")
  val readTimeoutMillis: Int = builder.readTimeout

  /** Default write timeout (in milliseconds). The default is 10 seconds. */
  @get:JvmName("writeTimeoutMillis")
  val writeTimeoutMillis: Int = builder.writeTimeout

  /** Web socket and HTTP/2 ping interval (in milliseconds). By default pings are not sent. */