@class PHMediaFormatConversionRequest; @interface PHMediaFormatChainedConversionRequest : PHMediaFormatConversionCompositeRequest @property (retain) PHMediaFormatConversionRequest *independentRequest; @property (retain) PHMediaFormatConversionRequest *dependentRequest; @property (copy) id /* block */ successUpdateHandler; + (id)requestForSource:(id)a0 destinationCapabilities:(id)a1 error:(id *)a2; + (id)chainedRequestForAdjustmentRenderRequest:(id)a0 dependingOnRequest:(id)a1 error:(id *)a2; + (id)chainedRequestForRequest:(id)a0 dependingOnRequest:(id)a1 error:(id *)a2 successUpdateHandler:(id /* block */)a3; - (void).cxx_destruct; - (void)enqueueSubrequestsOnConversionManager:(id)a0; - (void)enumerateSubrequests:(id /* block */)a0; - (void)postProcessSuccessfulCompositeRequest; @end