A TFunction that translates the key from the nearest I18nProvider and fallbacks outwards.
If no I18nProvider found, throws an error unless optional is true.
Optional optional: falseA TFunction that translates the key from the nearest I18nProvider and fallbacks outwards.
If no I18nProvider found, throws an error unless optional is true.
Optional optional: booleanA TFunction that translates the key from the nearest I18nProvider and fallbacks outwards.
If no I18nProvider found, throws an error unless optional is true.