public void ToString(FileGeneration fg, PerkAbilityEffect.Mask <bool>?printMask = null)
{
fg.AppendLine($"{nameof(PerkAbilityEffect.Mask<TItem>)} =>");
fg.AppendLine("[");
using (new DepthWrapper(fg))
{
if (printMask?.Ability ?? true)
{
fg.AppendItem(Ability, "Ability");
}
}
fg.AppendLine("]");
}