void LoadAndUnload ( const [TSet](API\Runtime\Core\Containers\TSet)< [UE::FSdfPath](API\Plugins\UnrealUSDWrapper\UsdWrappers\FSdfPath) > & LoadSet, const [TSet](API\Runtime\Core\Containers\TSet)< [UE::FSdfPath](API\Plugins\UnrealUSDWrapper\UsdWrappers\FSdfPath) > & UnloadSet, [EUsdLoadPolicy](API\Plugins\UnrealUSDWrapper\EUsdLoadPolicy) Policy )