code: def record(self):
          # type: () -> bytes
          '''
          A method to generate the string representing this UDF Anchor Volume
          Structure.
  
          Parameters:
           None.
          Returns:
           A string representing this UDF Anchor Volume Structure.
          '''
          if not self._initialized:
              raise pycdlibexception.PyCdlibInternalError('UDF Anchor Volume Descriptor not initialized')
  
          rec = struct.pack(self.FMT, b'\x00' * 16, self.main_vd_length,
                            self.main_vd_extent, self.reserve_vd_length,
                            self.reserve_vd_extent)[16:] + b'\x00' * 480
  
          return self.desc_tag.record(rec) + ref record(self):
          # type: () -> bytes
          '''
          A method to generate the string representing this UDF Anchor Volume
          Structure.
  
          Parameters:
           None.
          Returns:
           A string representing this UDF Anchor Volume Structure.
          '''
          if not self._initialized:
              raise pycdlibexception.PyCdlibInternalError('UDF Anchor Volume Descriptor not initialized')
  
          rec = struct.pack(self.FMT, b'\x00' * 16, self.main_vd_length,
                            self.main_vd_extent, self.reserve_vd_length,
                            self.reserve_vd_extent)[16:] + b'\x00' * 480
  
          return self.desc_tag.record(rec) + rec
docs: A method to generate the string representing this UDF Anchor Volume
          Structure.
  
          Parameters:
           None.
          Returns:
           A string representing this UDF Anchor Volume Structure.