[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > ConstructCompositingPreviewPane ( [TWeakUIntrfacePtr](API\Plugins\Composure\EditorSupport\TWeakUIntrfacePtr)< [ICompEditorImagePreviewInterface](API\Plugins\Composure\EditorSupport\ICompEditorImagePreviewInterface) > PreviewTarget )