code: public void getSubEntries(
          final String rootPath,
          final boolean isRoot,
          final String filter,
          final I_CmsSimpleCallback<List<CmsSitemapEntryBean>> callback) {
  
          CmsRpcAction<List<CmsSitemapEntryBean>> action = new CmsRpcAction<List<CmsSitemapEntryBean>>() {
  
              @Override
              public void execute() {
  
                  start(0, false);
                  getGalleryService().getSubEntries(rootPath, isRoot, filter, this);
              }
  
              @Override
              protected void onResponse(List<CmsSitemapEntryBean> result) {
  
                  stop(false);
                  callback.execute(result);
              }
  
          };
          action.execute();
      }
docs: Loads the sub entries for the given path.<p>
  
  @param rootPath the root path
  @param isRoot <code>true</code> if the requested entry is the root entry
  @param filter the sitemap filter string
  @param callback the callback to execute with the result