@interface PGFeatureTransformerToUnitNorm : PGFeatureSliceTransformer + (id)name; + (id)instanceWithParameters:(id)a0 error:(id *)a1; - (BOOL)_generateError:(id *)a0 withCode:(long long)a1 andMessage:(id)a2; - (id)applyTransformationToFloatVector:(id)a0 error:(id *)a1; @end