public static Path absoluteBundlePath(String fileName, JarSuffix jarSuffix) {
        if (fileName == null) return null;
        String fullFilename = fileName.endsWith(".jar") ? fileName : fileName + jarSuffix.suffix;
        return LIBRARY_PATH.resolve(Paths.get(fullFilename));
    }
NOTE: Stable ordering of bundles in config is handled by {@link ContainerCluster#addPlatformBundle(Path)}

@author gjoranv
@author Ulf Lilleengen
config-model/src/main/java/com/yahoo/vespa/model/container/PlatformBundles.java