AutoDiff: Use AbstractGenericSignatureRequest instead of GenericSignatureBuilder
AutoDiff: Use AbstractGenericSignatureRequest instead of GenericSignatureBuilder

xwu/swift,JGiola/swift,apple/swift,apple/swift,glessard/swift,benlangmuir/swift,JGiola/swift,atrick/swift,xwu/swift,JGiola/swift,JGiola/swift,rudkx/swift,glessard/swift,gregomni/swift,glessard/swift,roambotics/swift,roambotics/swift,ahoppen/swift,benlangmuir/swift,gregomni/swift,rudkx/swift,apple/swift,gregomni/swift,apple/swift,xwu/swift,roambotics/swift,atrick/swift,rudkx/swift,ahoppen/swift,ahoppen/swift,glessard/swift,xwu/swift,roambotics/swift,ahoppen/swift,benlangmuir/swift,atrick/swift,atrick/swift,gregomni/swift,ahoppen/swift,apple/swift,JGiola/swift,roambotics/swift,gregomni/swift,glessard/swift,xwu/swift,benlangmuir/swift,ahoppen/swift,glessard/swift,rudkx/swift,xwu/swift,roambotics/swift,gregomni/swift,xwu/swift,apple/swift,atrick/swift,rudkx/swift,rudkx/swift,atrick/swift,benlangmuir/swift,JGiola/swift,benlangmuir/swift