private bool AlreadyExists(IActorProducerPlugin plugin)
        {
            var pluginType    = plugin.GetType();
            var alreadyExists = _plugins.Any(p => p.GetType() == pluginType);

            return(alreadyExists);
        }
 /// <summary>
 /// Returns true if current actor producer pipeline already has registered provided plugin type.
 /// </summary>
 /// <param name="plugin">TBD</param>
 /// <returns>TBD</returns>
 public bool IsRegistered(IActorProducerPlugin plugin)
 {
     return(_plugins.Any(p => p.GetType() == plugin.GetType()));
 }