System/Library/PrivateFrameworks/PreviewsInjection.framework

PreviewsInjection.HostMessagePipeAgent.h

Download PreviewsInjection.HostMessagePipeAgent.h

1. _TtCs12_SwiftObject

@interface PreviewsInjection.HostMessagePipeAgent : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ messagePipe;
}

@end