private static void detect() {
    final String detectedOS = normalizeOS(normalize("os.name"));
    final String detectedArch = normalizeArch(normalize("os.arch"));
    final String detectedVM = normalizeVM(normalize("java.vendor"), normalize("java.vm.name"));
    final String detectedJavaVersion = normalizeJavaVersion("java.specification.version");

    _os = detectedOS + '-' + detectedArch;
    _arch = detectedArch;
    _osType = detectedOS;
    _vm = detectedVM + "-java-" + detectedJavaVersion;
  }
Gets jemalloc version.

@throws UnsatisfiedLinkError if the library cannot be found or dependent libraries are missing.
@return the jemalloc version
util/src/main/java/org/hyperledger/besu/util/platform/PlatformDetector.java