@Override
 protected void consumeAttributes(AttributeHelper attrsHelper) throws ParseException {
   super.consumeAttributes(attrsHelper);
   fileSize = attrsHelper.consumeLong("fileSize", false);
   type = attrsHelper.consume("type", false);
   medium = attrsHelper.consume("medium", false);
   isDefault = attrsHelper.consumeBoolean("isDefault", false);
   expression = attrsHelper.consumeEnum("expression", false, Expression.class);
   bitrate = attrsHelper.consumeInteger("bitrate", false);
   framerate = attrsHelper.consumeInteger("framerate", false);
   samplingrate = attrsHelper.consumeInteger("samplingrate", false);
   channels = attrsHelper.consumeInteger("channels", false);
   duration = attrsHelper.consumeInteger("duration", false);
   language = attrsHelper.consume("language", false);
 }