private static Set<JsonGroupMember> resolveJsonMembers(Set<RecipientAddress> addresses) {
return addresses.stream()
- .map(address -> new JsonGroupMember(address.getNumber().orElse(null),
- address.getUuid().map(UUID::toString).orElse(null)))
+ .map(address -> new JsonGroupMember(address.number().orElse(null),
+ address.uuid().map(UUID::toString).orElse(null)))
.collect(Collectors.toSet());
}