@class NSObject; @protocol SPRReadDelegate, OS_dispatch_queue; @interface SPRReadRelay : NSObject @property (readonly) id base; @property (readonly) NSObject *queue; - (void).cxx_destruct; - (id)initWithBase:(id)a0 queue:(id)a1; - (void)onFailureWithError:(id)a0; - (void)onSuccessWithTransactionData:(id)a0; - (void)onUpdateWithEvent:(long long)a0 mode:(long long)a1; @end