template<bool Condition, typename TemplateClass> static void SetPrevVisibilityPerViewer ( TemplateClass & Obj, int32 Index, typename [TEnableIf](API\Runtime\Core\Templates\TEnableIf)<![Condition](API\Plugins\StateTreeModule\EStateTreeBindableStructSource), [EMassVisibility](API\Plugins\MassLOD\EMassVisibility) >::Type Value )