@interface VFXCore.KeyframeTimelineRuntime : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ keys;
    void /* unknown type, empty encoding */ keyStride;
    void /* unknown type, empty encoding */ times;
    void /* unknown type, empty encoding */ evaluateFunc;
    void /* unknown type, empty encoding */ evaluateSplineFunc;
    void /* unknown type, empty encoding */ quadratic;
}

@end