| public | tid | : PyString | ||
| public | prev | : PyInt | ||
| public | length | : PyInt | ||
| public | status | : PyString | ||
| public | user_length | : PyInt | ||
| public | description_length | : PyInt | ||
| public | extension_length | : PyInt | ||
| public | user_name | : PyString | ||
| public | description | : PyString | ||
| public | extension | : PyString | ||
| public | data_records | [*] | : DataRecord | |
| public | redundant_length | : ? |