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.