static [UE::FUsdStage](API\Plugins\UnrealUSDWrapper\UsdWrappers\FUsdStage) OpenStage ( const TCHAR * Identifier, [EUsdInitialLoadSet](API\Plugins\UnrealUSDWrapper\EUsdInitialLoadSet) InitialLoadSet, bool bUseStageCache, bool bForceReloadLayersFromDisk )