.addTrustedCertificate(root.certificate) // BouncyCastle requires at least one
        .heldCertificate(certificate, intermediate.certificate)
        .build()
    assertPrivateKeysEquals(
      certificate.keyPair.private,
      handshakeCertificates.keyManager.getPrivateKey("private"),
    )
    assertThat(handshakeCertificates.keyManager.getCertificateChain("private").toList())

      }

    fun build(): HandshakeCertificates {
      val immutableInsecureHosts = insecureHosts.toImmutableList()

      val heldCertificate = heldCertificate
      if (heldCertificate != null && heldCertificate.keyPair.private.format == null) {
        throw KeyStoreException("unable to support unencodable private key")
      }

      val keyManager = newKeyManager(null, heldCertificate, *(intermediates ?: emptyArray()))