code: public static Converter findUIOutputConverter(FacesContext facesContext,
              UIOutput component) throws FacesException
      {
          return _SharedRendererUtils.findUIOutputConverter(facesContext,
                  component);
      }
docs: Find the proper Converter for the given UIOutput component.
  @return the Converter or null if no Converter specified or needed
  @throws FacesException if the Converter could not be created