[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(EditAnywhere, Category=NormalsTopology)
ESplitNormalMethod SplitNormalMethod
Control whether and how the topology of the normals is recomputed, e.g. to create sharp edges where face normals change by a large amount or where face group IDs change. Normals will always be recomputed unless SplitNormal Method is UseExistingTopology.