public Set<URL> getLibraries() {
		if (!isInstalled()) {
			return Collections.emptySet();
		}

		Set<File> jarFiles = new HashSet<>();
		findJarFiles(new File(installDir, "lib"), jarFiles);
		Set<URL> paths = new HashSet<>();
		for (File jar : jarFiles) {
			try {
				URL jarUrl = jar.toURI().toURL();
				paths.add(jarUrl);
			}
			catch (MalformedURLException e) {
				continue;
			}
		}
		return paths;
	}
Returns URLs for all jar files living in the {extension dir}/lib directory for an installed
extension.

@return the URLs
Ghidra/Framework/Generic/src/main/java/ghidra/util/extensions/ExtensionDetails.java