val conscrypt = ConscryptPlatform.buildIfSupported()

      if (conscrypt != null) {
        return conscrypt
      }
    }

    if (isBouncyCastlePreferred) {
      val bc = BouncyCastlePlatform.buildIfSupported()

      if (bc != null) {
        return bc
      }
    }

    if (isOpenJSSEPreferred) {
      val openJSSE = OpenJSSEPlatform.buildIfSupported()

      if (openJSSE != null) {