subparser.help("Send a message to another user or group.");
subparser.addArgument("recipient").help("Specify the recipients' phone number.").nargs("*");
final var mutuallyExclusiveGroup = subparser.addMutuallyExclusiveGroup();
subparser.help("Send a message to another user or group.");
subparser.addArgument("recipient").help("Specify the recipients' phone number.").nargs("*");
final var mutuallyExclusiveGroup = subparser.addMutuallyExclusiveGroup();