maxInitialOptionsShown method
How many items to show initially under a given option group.
Returns null when there's no limit, otherwise show the returned number of items initially and hides the rest behind a "View more" link.
Implementation
int? maxInitialOptionsShown(OptionGroup group, int index) {
if (renderingOptions == null) return null;
return renderingOptions?.maxInitialOptionsShown(group, index);
}