@interface MPSNDArrayBinaryPrimaryGradientKernel : MPSNDArrayMultiaryGradientKernel + (unsigned long long)expectedVirtualSourceCount; - (id)initWithCoder:(id)a0 device:(id)a1; - (id)initWithDevice:(id)a0; - (id)encodeToCommandBuffer:(id)a0 primarySourceArray:(id)a1 secondarySourceArray:(id)a2 sourceGradient:(id)a3 gradientState:(id)a4; - (void)encodeToCommandBuffer:(id)a0 primarySourceArray:(id)a1 secondarySourceArray:(id)a2 sourceGradient:(id)a3 gradientState:(id)a4 destinationArray:(id)a5; @end