<p>Called when a mounted filesystem file is written to. By default, this includes data, internal data, and code cache files..</p>

<p>Callback signature:</p>
<blockquote><code>$type, $filename, \League\Flysystem\EventableFilesystem\Event\After $event</code></blockquote>

<p>Arguments:</p>
<ol>
	<li><code><em>string</em> $type</code> - the type of file written to (data, internal-data, code-cache, etc).</li>
	<li><code><em>string</em> $filename</code> - the name of the file that has changed.</li>
	<li><code><em>\League\Flysystem\EventableFilesystem\Event\After</em> $event</code> - the Flysystem event that triggered this. This provides access to more specific information about the change (such as the specific method called and the arguments provided).</li>
</ol>