class FTrackModel : public [UE::Sequencer::FOutlinerItemModel](API\Editor\Sequencer\MVVM\ViewModels\FOutlinerItemModel), public [UE::Sequencer::IRenameableExtension](API\Editor\SequencerCore\MVVM\Extensions\IRenameableExtension), public [UE::Sequencer::IResizableExtension](API\Editor\SequencerCore\MVVM\Extensions\IResizableExtension), public [UE::Sequencer::ITrackExtension](API\Editor\Sequencer\MVVM\Extensions\ITrackExtension), public [UE::Sequencer::ITrackAreaExtension](API\Editor\SequencerCore\MVVM\Extensions\ITrackAreaExtension), public [UE::Sequencer::IGroupableExtension](API\Editor\SequencerCore\MVVM\Extensions\IGroupableExtension), public [UE::Sequencer::ISortableExtension](API\Editor\SequencerCore\MVVM\Extensions\ISortableExtension), public [UE::Sequencer::IDraggableOutlinerExtension](API\Editor\SequencerCore\MVVM\Extensions\IDraggableOutlinerExtension), public [UE::Sequencer::IDeletableExtension](API\Editor\SequencerCore\MVVM\Extensions\IDeletableExtension), public [UE::MovieScene::TIntrusiveEventHandler< UE::MovieScene::ISignedObjectEventHandler >](API\Runtime\MovieScene\EventHandlers\TIntrusiveEventHandler), public [UE::MovieScene::IDeferredSignedObjectFlushSignal](API\Runtime\MovieScene\IDeferredSignedObjectFlushSignal)