Optional eggOptions: IEggOptionsPrivate _eggPrivate _hatchPrivate _idPrivate _isPrivate _overridePrivate _sourcePrivate _speciesPrivate _tierPrivate _timestampPrivate _variantPrivate checkPrivate getOptional eggTier: EggTierPrivate getPrivate increasePrivate rollPrivate rollPrivate rollPrivate rollPrivate roll
Rolls whether the egg is shiny or not.