Here are the data structures with brief descriptions:
  _GUID | |
| _QofBook | |
| _QofNumeric | |
| _QofObject | |
| _QofParam | |
| _QofQueryPredData | |
| _QofSession | |
| bin_data | |
| GHashTableKVPair | |
| HandlerInfo | |
| md5_ctx | |
| qof_entity_reference | External references in a partial QofBook |
| QofBackend_s | |
| QofBackendOption_s | |
| QofBackendProvider_s | |
| QofBookMergeData | MergeData contains the essential context data for any merge |
| QofBookMergeRule | One rule per entity, built into a single GList for the entire merge |
| QofDate_s | Full range replacement for struct tm |
| QofEntity_s | |
| QofInstance_s | |
| QofInt128 | |
| QofUndo_s | |
| QsfMetadata_s | QSF Parameters |
| QsfNodeIterate | One iterator, two typedefs |
| QsfObject_s | Holds a description of the QofObject |
| QsfValidates_s | Validation metadata |
| query_boolean_def | |
| query_char_def | |
| query_choice_def | |
| query_coll_def | |
| query_double_def | |
| query_guid_def | |
| query_int32_def | |
| query_int64_def | |
| query_kvp_def | |
| query_numeric_def | |
| query_string_def | |
 query_time_def |
