*/
    PathToFileResolver getPathToFileResolver();

    /**
     * Returns a file resolver with the given base directory.
     */
    FileResolver getFileResolver(File baseDirectory);

    /**
     * Returns a file resolver with the given base directory.
     */
    PathToFileResolver getPathToFileResolver(File baseDirectory);

    }

    /**
     * Returns a resolver with no base directory.
     */
    public static PathToFileResolver pathToFileResolver() {
        return FILE_LOOKUP.getPathToFileResolver();
    }

    /**
     * Returns a resolver with the given base directory.
     */
    public static FileResolver resolver(File baseDir) {
        return FILE_LOOKUP.getFileResolver(baseDir);
    }