long createTime ();


    /**
     * 
     * @return the last modified time
     */
    long lastModified ();


    /**
     * 
     * @return the last access time
     */
    long lastAccess ();


    /**
     * 
     * @return the file size
     */
    long length ();


    /**
     * @return the file index inside the parent
     */
    int getFileIndex ();