public function downloadContent($content, $suggestedFilename, $mimeType = null) {
		// if no MIME type has been provided explicitly
		if ($mimeType === null) {
			// use a reasonable default value
			$mimeType = 'application/octet-stream';
		}

		// send the appropriate response headers for the download
		self::sendDownloadHeaders($mimeType, $suggestedFilename, strlen($content));

		// send the actual content
		echo $content;
	}