[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(Category="Sequencer", EditDefaultsOnly, AssetRegistrySearchable)
TSubclassOf< USequencerTrackInstanceBP > TrackInstanceType
[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(Category="Sequencer", EditDefaultsOnly, AssetRegistrySearchable)
TSubclassOf< USequencerTrackInstanceBP > TrackInstanceType