FSdfReference ( const [FString](API\Runtime\Core\Containers\FString) & InAssetPath, const [FSdfPath](API\Plugins\UnrealUSDWrapper\UsdWrappers\FSdfPath) & InPrimPath, const [FSdfLayerOffset](API\Plugins\UnrealUSDWrapper\UsdWrappers\FSdfLayerOffset) & InLayerOffset )