virtual [TArray](API\Runtime\Core\Containers\TArray)< [FARTraceResult](API\Runtime\AugmentedReality\FARTraceResult) > OnLineTraceTrackedObjects ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FARSupportInterface](API\Runtime\AugmentedReality\FARSupportInterface), ESPMode::ThreadSafe > ARCompositionComponent, const FVector Start, const FVector End, const EARLineTraceChannels TraceChannels )