CommandBuilder.kt

cmd("permissions", "perms") {
        description = "manage permissions"
        permission = has("simplepermissions.use")
        subCmd("group", "g") {
            description = "manage groups"
            arg("group") {
                description = "the group you want to add"
                ifType(ArgumentGroup) {
                    description = "an existing group"
                    subCmd("perms", "p") {
                        execute { sender, node, args ->
                            val group: Group by args
                            sender.sendMessage("perms enabled: ${group.permissionsEnabled}")
                            sender.sendMessage("perms disabled: ${group.permissionsDisabled}")
                        }
                    }
                }
                ifType(ArgumentString) {
                    description = "a non-existing group"
                    subCmd("create", "c") {
                        arg("priority") {
                            ifType(ArgumentInt) {
                                execute { sender, node, args ->
                                    val group: String by args
                                    val priority: Int by args
                                    sender.sendMessage("group: $group")
                                    sender.sendMessage("priority: $priority")
                                }
                            }
                        }
                    }
                }
            }
        }
        subCmd("player", "p") {
            description = "manage players"
        }
    }.register(plugin)