@interface RoomPlan.RenderTimer : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ device;
    void /* unknown type, empty encoding */ metalLayer;
    void /* unknown type, empty encoding */ displayLink;
    void /* unknown type, empty encoding */ commandQueue;
    void /* unknown type, empty encoding */ lastTime;
    void /* unknown type, empty encoding */ timeAccum;
    void /* unknown type, empty encoding */ nFrames;
    void /* unknown type, empty encoding */ timeDelta;
    void /* unknown type, empty encoding */ delegate;
    void /* unknown type, empty encoding */ preferredFramerate;
}

- (void)fire;

@end