docs: static void render(FacesContext context, final Set<String> ids) {
          if (ids.isEmpty()) {
              return;
          }
          final Collection<String> renderIds = context.getPartialViewContext().getRenderIds();
          final char separatorChar = getSeparatorChar(context);
          for (String id : ids) {
              renderIds.add(id.substring(id.indexOf(separatorChar) + 1));
          }
      }