Here is a list of all documented enums with links to the class documentation for each member:

- compaction_level : Xapian::Compactor
- docid_order : Xapian::Enquire
- feature_flag : Xapian::QueryParser
- idf_norm : Xapian::TfIdfWeight
- op : Xapian::Query
- stat_flags : Xapian::Weight
- stem_strategy : Xapian::QueryParser, Xapian::StemStopper, Xapian::TermGenerator
- stop_strategy : Xapian::QueryParser, Xapian::TermGenerator
- wdf_norm : Xapian::TfIdfWeight
- wt_norm : Xapian::TfIdfWeight