<?php
/**
 * Product: Prosodia VGW OS
 * URL: https://prosodia.de/
 * Author: Dr. Ronny Harbich
 * Copyright: Dr. Ronny Harbich
 * License: GPLv2 or later
 */
 abstract class WPVGW_Plugin_Extension
 {
     abstract public static function is_active();
 }
