System/Library/PrivateFrameworks/NewsFeed.framework

NewsFeed.AdPolicyViewportEnvironmentProvider.h

Download NewsFeed.AdPolicyViewportEnvironmentProvider.h

1. _TtCs12_SwiftObject

@interface NewsFeed.AdPolicyViewportEnvironmentProvider : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ scrollView;
}

@end