/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * What a typed line means before the model sees it.
 *
 * Only lines that are exactly a known command are one: a message beginning
 * "/exit is the command that..." is a message, and a model that never receives
 * it because of a prefix match is a chat that silently eats input.
 */
export type ChatLineIntent = {
    readonly kind: "blank";
} | {
    readonly kind: "quit";
} | {
    readonly kind: "reset";
} | {
    readonly kind: "help";
} | {
    readonly kind: "unknown-command";
    readonly typed: string;
} | {
    readonly kind: "message";
    readonly text: string;
};
export declare function classifyChatLine(line: string): ChatLineIntent;
export declare const CHAT_HELP_LINES: readonly string[];