@class NSMutableDictionary; @interface MOPassthroughSubject : MOSubject @property (readonly, nonatomic) NSMutableDictionary *downstreams; + (id)new; - (id)init; - (void)sendCompletion:(id)a0; - (void)subscribe:(id)a0; - (void)disassociate:(id)a0; - (void)sendValue:(id)a0; - (void).cxx_destruct; - (BOOL)hasSubscriptionWithIdentifier:(id)a0; @end