+ final RecipientIdentifier.Single targetAuthorIdentifier;
+ if (targetAuthor == null && recipientIdentifiers.size() == 1 && recipientIdentifiers.stream()
+ .findFirst()
+ .get() instanceof RecipientIdentifier.Single single) {
+ targetAuthorIdentifier = single;
+ } else {
+ targetAuthorIdentifier = CommandUtil.getSingleRecipientIdentifier(targetAuthor, m.getSelfNumber());
+ }