@class NSObject; @protocol SPRInstallDelegate, OS_dispatch_queue; @interface SPRInstallRelay : NSObject <SPRInstallDelegate> @property (readonly) id<SPRInstallDelegate> base; @property (readonly) NSObject<OS_dispatch_queue> *queue; - (void).cxx_destruct; - (id)initWithBase:(id)a0 queue:(id)a1; - (void)onFailureWithError:(id)a0; - (void)onSuccessWithInstallData:(id)a0; - (void)onUpdateWithEvent:(long long)a0; - (void)onUpdateWithEvent:(long long)a0 progress:(long long)a1; @end