@interface MPSCNNPoolingGradientNode : MPSNNGradientFilterNode @property (readonly, nonatomic) unsigned long long kernelWidth; @property (readonly, nonatomic) unsigned long long kernelHeight; @property (readonly, nonatomic) unsigned long long strideInPixelsX; @property (readonly, nonatomic) unsigned long long strideInPixelsY; + (id)nodeWithSourceGradient:(id)a0 sourceImage:(id)a1 gradientState:(id)a2 kernelWidth:(unsigned long long)a3 kernelHeight:(unsigned long long)a4 strideInPixelsX:(unsigned long long)a5 strideInPixelsY:(unsigned long long)a6 paddingPolicy:(id)a7; - (id)initWithGradientImages:(id)a0 forwardFilter:(id)a1; - (id)initWithSourceGradient:(id)a0 sourceImage:(id)a1 gradientState:(id)a2 kernelWidth:(unsigned long long)a3 kernelHeight:(unsigned long long)a4 strideInPixelsX:(unsigned long long)a5 strideInPixelsY:(unsigned long long)a6 paddingPolicy:(id)a7; @end