@class NSOperationQueue, SGServiceContext; @interface SGRequestContext : NSObject @property (readonly, nonatomic) NSOperationQueue *processingQueue; @property (readonly, nonatomic) NSOperationQueue *storageQueue; @property (readonly, nonatomic) SGServiceContext *serviceContext; @property (readonly, nonatomic) int concurrencyBehavior; @property (readonly, nonatomic) int backpressureHazard; @property (readonly, nonatomic) int extractionMode; - (id)init; - (void).cxx_destruct; - (id)initWithServiceContext:(id)a0 concurrencyBehavior:(int)a1 backpressureHazard:(int)a2; - (id)initWithServiceContext:(id)a0 concurrencyBehavior:(int)a1 backpressureHazard:(int)a2 extractionMode:(int)a3; @end