docs: @Override
      public void addBroadcastFilter(BroadcastFilterImpl filter) {
          if (broadcastFilters.containsKey(filter.getName())) {
              broadcastFilters.get(filter.getName()).add(filter);
          } else {
              ArrayList<BroadcastFilter> list = new ArrayList<BroadcastFilter>();
              list.add(filter);
              broadcastFilters.put(filter.getName(), list);
          }
      }