@class NSArray, NSString, NSObject; @protocol WFStatisticsSampleProvider; @interface WFConcreteStatisticsSampleProvider : NSProxy <WFStatisticsSampleProvider> @property (retain, nonatomic) NSObject<WFStatisticsSampleProvider> *sampleProvider; @property (readonly, nonatomic) BOOL canProvideDataSamples; @property (readonly, nonatomic) NSArray *dataSamples; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)forwardInvocation:(id)a0; - (id)forwardingTargetForSelector:(SEL)a0; - (id)methodSignatureForSelector:(SEL)a0; - (void).cxx_destruct; - (id)initWithSampleProvider:(id)a0; @end