}

  class Builder {
    private var heldCertificate: HeldCertificate? = null
    private var intermediates: Array<X509Certificate>? = null
    private val trustedCertificates = mutableListOf<X509Certificate>()
    private val insecureHosts = mutableListOf<String>()

    /**
     * Configure the certificate chain to use when being authenticated. The first certificate is