s. Recursive watching is supported.</li></ul>
<p>The system will start listening for events once the returned <a href="dart-async/Stream-class.html">Stream</a> is
being listened to, not when the call to <a href="dart-io/FileSystemEntity/watch.html">watch</a> is issued.</p>
<p>The returned value is an endless broadcast <a href="dart-async/Stream-class.html">Stream</a>, that only stops when
one of the following happens:</p><ul><li>The <a href="dart-async/Stream-class.html">Stream</a> is canceled, e.g. by call