}

  private fun makeClient(
    connectionSpec: ConnectionSpec? = null,
    tlsVersion: TlsVersion? = null,
    cipherSuites: List<CipherSuite>? = null,
  ): OkHttpClient {
    return this.client.newBuilder()
      .apply {
        if (connectionSpec != null) {
          connectionSpecs(
            listOf(
              ConnectionSpec.Builder(connectionSpec)