GroupUpsertSubcommand constructor
GroupUpsertSubcommand()
Implementation
GroupUpsertSubcommand() {
argParser
..addOption('name', help: 'Group name. [Required]', mandatory: true)
..addOption('id', help: 'Group ID [Optional, leave empty to create new group].')
..addOption('user-id', help: 'Owner user ID [Optional, defaults to current user].')
..addOption('description', help: 'Group description. [Optional]');
}