static void GetRepresentativeShaderTypesAndDescriptions ( [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [TArray](API\Runtime\Core\Containers\TArray)< [FRepresentativeShaderInfo](API\Editor\MaterialEditor\FMaterialStatsUtils\FRepresentativeShaderInfo) >> & OutShaderTypeNameAndDescriptions, const class [FMaterial](API\Runtime\Engine\FMaterial) * TargetMaterial )