100644 blob dfc0a66d6a44a78ec2d85f021edfa278f77e6f2b	NaturalSum.cs
100644 blob 66a467bea8e951c993c6e424a38bd7e3a6d65fcb	NaturalSumMapFunction.cs
100644 blob 6bd1b2fbb9f1ea0f4a3e352853b4a3e519e97cb4	NaturalSumPerMapperConfigGenerator.cs