@interface _TtCFC9ChronoKit16ExtensionManager5startFT10completionGSqFT_T___T_L_20InitialValueObserver : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ completion;
    void /* unknown type, empty encoding */ nsExtensionsPublished;
    void /* unknown type, empty encoding */ remoteExtensionsPublished;
}

@end