@interface _TtCO14CoreChartSwift16ConcreteDateStepP33_F5371944547B7C3BF6ED7A43684E1C1316CalendarStepImpl : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ unit;
void /* unknown type, empty encoding */ originalReference;
void /* unknown type, empty encoding */ calendar;
void /* unknown type, empty encoding */ shouldAdjustReferenceDateToStep;
void /* unknown type, empty encoding */ durationBounds;
void /* unknown type, empty encoding */ component;
void /* unknown type, empty encoding */ componentStep;
void /* unknown type, empty encoding */ reference;
void /* unknown type, empty encoding */ fixedTimeInterval;
void /* unknown type, empty encoding */ cache;
}
@end