* @throws IOException if there's an error reading files
     * @throws DomTripException if there's an error parsing XML
     */
    public static Map<Path, Document> discoverPoms(Path startDirectory) throws IOException, DomTripException {
        Map<Path, Document> pomMap = new HashMap<>();

        // Find and load the root POM
        Path rootPomPath = startDirectory.resolve(POM_XML);

        Path startingDirectory = options.directory().map(Paths::get).orElse(context.invokerRequest.cwd());

        Map<Path, Document> pomMap;
        try {
            pomMap = PomDiscovery.discoverPoms(startingDirectory);
        } catch (IOException | DomTripException e) {
            context.failure("Failed to discover POM files: " + e.getMessage());
            return 1;
        }