val builder = OkHttpClient.Builder()
    assertFailsWith<IllegalArgumentException> {
      builder.minWebSocketMessageToCompress(-1024)
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("minWebSocketMessageToCompress must be positive: -1024")
    }
  }

  companion object {
    private val DEFAULT_PROXY_SELECTOR = ProxySelector.getDefault()

    that OkHttp incorrectly rejected valid certificates resulting in a failure to connect; at no
    point were invalid certificates accepted.
 *  New: `OkHttpClient.Builder.minWebSocketMessageToCompress()` configures a threshold for
    compressing outbound web socket messages. Configure this with 0L to always compress outbound
    messages and `Long.MAX_VALUE` to never compress outbound messages. The default is 1024L which