}

        Document rootPom = loadPom(rootPomPath);
        pomMap.put(rootPomPath, rootPom);

        // Recursively discover modules
        discoverModules(startDirectory, rootPom, pomMap);

        return pomMap;
    }

    /**
     * Loads a POM file as a domtrip Document.
     *
     * @param pomPath the path to the POM file