moduleInfo = new HashMap<>();
        pathTypes = new HashMap<>();
    }

    /**
     * Gets module information for the given JAR file or output directory.
     * Module descriptors are read when first requested, then cached.
     */
    PathModularization getModuleInfo(Path path) throws IOException {
        PathModularization info = moduleInfo.get(path);
        if (info == null) {
            info = new PathModularization(path, true);