@interface _TtC10ChronoCoreP33_3B3DE5DF8A555E73689BF9FC0FE3BDED13ExtensionInfo : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ identifier;
    void /* unknown type, empty encoding */ service;
    void /* unknown type, empty encoding */ mutated;
    void /* unknown type, empty encoding */ visibleAssertionCount;
    void /* unknown type, empty encoding */ graceResetAssertionCount;
    void /* unknown type, empty encoding */ grace;
    void /* unknown type, empty encoding */ activeAssertionCount;
    void /* unknown type, empty encoding */ monitorAssertionCount;
    void /* unknown type, empty encoding */ refreshVisibility;
    void /* unknown type, empty encoding */ allowLocationForVisibility;
    void /* unknown type, empty encoding */ allowLocationForActivity;
    void /* unknown type, empty encoding */ monitorAssertion;
    void /* unknown type, empty encoding */ reloadForSignificantLocationChange;
    void /* unknown type, empty encoding */ ext;
}

@end