System/Library/PrivateFrameworks/EmailFoundation.framework

_EFConcatenatingObservable.h

Download _EFConcatenatingObservable.h

1. NSObject
2. >
3. EFObservable

@interface _EFConcatenatingObservable : EFObservable

+ (void)subscribeObserver:(id)a0 toObservables:(id)a1 unless:(id)a2;

@end