final String name, final Set<RecipientIdentifier.Single> members, final File avatarFile
) throws IOException, AttachmentInvalidException {
final var newGroupId = signal.createGroup(emptyIfNull(name),
final String name, final Set<RecipientIdentifier.Single> members, final File avatarFile
) throws IOException, AttachmentInvalidException {
final var newGroupId = signal.createGroup(emptyIfNull(name),