FWaveformEditorSequenceDataProvider ( [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [USoundWave](API\Runtime\Engine\Sound\USoundWave) > InSoundWave, [FOnTransformationsPropertiesRequired](API\Plugins\WaveformEditorWidgets\FOnTransformationsPropertiesRequ-) InTransformationChainPropertiesHandler )