code: public TreeBuilder<T> convert(ContentConverter<T> converter, PathSelector pathSelector,
              ResourceSelector<T> resourceSelector) {
          return TreeBuilder.<T>builder(new ConverterTree<T>(build(), converter, pathSelector, resourceSelector));
      }
docs: Convert data content for all resources matching the resource selector and the path selector
  
  @param converter        content converter
  @param pathSelector     path selector
  @param resourceSelector resource selector
  
  @return builder