FContextualAnimViewportRequiredArgs ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FContextualAnimAssetEditorToolkit](API\Plugins\ContextualAnimationEditor\FContextualAnimAssetEditorToolki-) > & InAssetEditorToolkit, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FContextualAnimPreviewScene](API\Plugins\ContextualAnimationEditor\FContextualAnimPreviewScene) > & InPreviewScene )