29 IDBVersionChangeEvent::~IDBVersionChangeEvent() {}
const uint64_t old_version
IDBVersionChangeEvent(EventType event_type, uint64_t old_version, optional< uint64_t > new_version)
IDBVersionChangeEventFactory()
DEFINE_STRUCT_SPECIAL_METHODS_COPYABLE(IDBVersionChangeEventInit)
Event(const std::string &type)
const optional< uint64_t > new_version