//! The domain layer: entities, value objects, aggregates, and events.
modaggregate;modentity;modentity_id;modenum_vo;moderror;modevent;modsecret_vo;modvo;pubuseaggregate::*;pubuseentity::*;pubuseentity_id::*;pubuseenum_vo::*;pubuseerror::*;pubuseevent::*;pubusesecret_vo::*;pubusevo::*;