24 /** This class subscribes to notifications of file system changes, thus it can be used to efficiently stay informed about changes in a directory tree.
25 * - Windows: Requires Windows 2000 or newer.
26 * - Linux: Requires kernel 2.6.13 or newer.
27 * Using this class in an old Linux or other unsoported system (Unix,etc...) has no effect, i.e. no notification will be ever received.