code: @SuppressWarnings("unchecked")
      public Optional<ExportSection> maybeLoadExportSection() throws IOException {
          return (Optional<ExportSection>) maybeLoadSpecialSection(DataDirectoryKey.EXPORT_TABLE);
      }
docs: Loads all bytes and information of the export section. The file on disk
  is read to fetch the information.
  
  @return the export section, absent if file doesn't have an export section
  @throws IOException
  if unable to read the file