import React from 'react';
export type ChatMessageFrom = 'person' | 'assistant';
export interface ChatMessageProps extends Omit<React.HTMLAttributes<HTMLElement>, 'children'> {
    /**
     * Who wrote it. `person` is set apart — a tinted bubble on the trailing
     * side — so a long thread reads as turns; `assistant` spans the column,
     * since its answers carry lists, sources and tables.
     */
    from: ChatMessageFrom;
    /** The author's name, shown and read: "Ada Reyes", "Ionbase assistant". */
    author: React.ReactNode;
    /** A picture for the author — Avatar, AvatarGradient, LogoMark. Hidden from
     *  assistive tech: the name beside it says who. */
    avatar?: React.ReactNode;
    /** When it was sent. Rendered in a `<time>` with the exact instant. */
    timestamp?: Date | string;
    /** The text shown for the time — "10:42", "2 min ago" — in place of the
     *  default date and time. */
    timestampLabel?: React.ReactNode;
    /** Locale for the default time label. Pass it when rendering on a server. */
    locale?: string;
    /** Time zone for the default time label. */
    timeZone?: string;
    /** The message: text, StreamingText, Citations, a CitationList, an Alert. */
    children: React.ReactNode;
    /** What can be done with it — Copy, Retry, feedback. Buttons, after the
     *  content, in reading order. */
    actions?: React.ReactNode;
}
/**
 * ChatMessage — one turn in a transcript: who, when, what, and what can be
 * done with it.
 *
 * AN ARTICLE, NAMED BY ITS HEADER. Each message is an `<article>` labelled by
 * its author and time, so a screen reader moves message to message and hears
 * "Ada Reyes 10:42" before each. The avatar is decoration; the name says who.
 *
 * NOT A LIVE REGION. A thread that announced every message would read a
 * streaming answer out token by token — the reason StreamingText is not one
 * either. Say when an answer is ready once, from the thread, the way the
 * AssistantAnswer pattern does.
 *
 * It holds a message; it does not send, stream or store one.
 */
export declare const ChatMessage: React.ForwardRefExoticComponent<ChatMessageProps & React.RefAttributes<HTMLElement>>;
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