void Allocate ( [FRDGBuilder](API\Runtime\RenderCore\FRDGBuilder) & GraphBuilder, [EHairResourceLoadingType](API\Plugins\HairStrandsCore\EHairResourceLoadingType) LoadingType, [EHairResourceStatus](API\Plugins\HairStrandsCore\EHairResourceStatus) & Status, uint32 InRequestedCurveCount, uint32 InRequestedPointCount, int32 InLODIndex )