| _bufrex_bufr_options | BUFR-specific encoding options |
| _bufrex_crex_options | CREX-specific encoding options |
| _bufrex_msg | Storage for the decoded data of a BUFR or CREX message |
| _bufrex_opcode | List node containing an entry of a BUFR or CREX data descriptor section |
| _bufrex_subset | Represent a BUFR/CREX data subset as a list of decoded variables |
| _dba_file | Base contents of a dba_file |
| _dba_rawmsg | Dynamic storage for encoded messages |
| _dba_varinfo | Holds the information about a DBALLE variable |
1.5.2