- long sendGroupMessage(String message, List<String> attachments, byte[] groupId) throws Error.GroupNotFound, Error.Failure, Error.AttachmentInvalid, Error.UnregisteredUser, Error.UntrustedIdentity;
+ void sendEndSessionMessage(List<String> recipients) throws Error.Failure, Error.InvalidNumber, Error.UntrustedIdentity;
+
+ long sendGroupMessage(
+ String message, List<String> attachments, byte[] groupId
+ ) throws Error.GroupNotFound, Error.Failure, Error.AttachmentInvalid;