import type { ChatMessage } from '../types/ChatMessage';
/**
 * Display-ready timestamp values for a chat message.
 *
 * @private utility of `<Chat/>` component
 */
export type ChatMessageTimingDisplay = {
    /**
     * Short, UI-friendly time label (localized).
     */
    readonly timeLabel: string;
    /**
     * Full timestamp label suitable for tooltips or exports.
     */
    readonly fullLabel: string;
    /**
     * Optional duration label for agent message generation.
     */
    readonly durationLabel?: string;
};
/**
 * Builds display-ready timestamp and duration labels for a chat message.
 *
 * @private utility of `<Chat/>` component
 */
export declare function getChatMessageTimingDisplay(message: ChatMessage): ChatMessageTimingDisplay | null;