func AdditionalLocalhost(value LocalhostValue) Instance {
	return newOption("additional_localhost", value)
}

func Wildcard(value WildcardValue) Instance {
	return newOption("wildcard", value)
}

func AdditionalWildCard(value WildcardValue) Instance {
	return newOption("additional_wildcard", value)
}

func DualStack(value bool) Instance {
	return newOption("dual_stack", value)
}

					option.Wildcard(option.WildcardIPv6),
					option.AdditionalWildCard(option.WildcardIPv4),
					option.DNSLookupFamily(option.DNSLookupFamilyIPS))
			} else {
				opts = append(opts,
					option.Localhost(option.LocalhostIPv4),
					option.AdditionalLocalhost(option.LocalhostIPv6),
					option.Wildcard(option.WildcardIPv4),
					option.AdditionalWildCard(option.WildcardIPv6),