code: static <T extends FunctionMeta> Map<T, IDataModel> toMetaFunctions(IDataModel book, Class<T> metaClass) {
          return toMetaFunctions(DataModelConverters.toWorkbook(book), metaClass);
      }
docs: Invokes {@link #toMetaFunctions(Workbook, Class)} with {@link IDataModel} converted to {@link Workbook}.