typedef TBaseDelegate_ThreeParams< void, const [EToolkitMode::Type](API\Editor\EditorFramework\Toolkits\EToolkitMode__Type), const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< class [IToolkitHost](API\Editor\EditorFramework\Toolkits\IToolkitHost) > &, class [ULevelVariantSets](API\Plugins\VariantManagerContent\ULevelVariantSets) * > FOnLevelVariantSetsEditor