export interface ArticleAuthorBylineProps {
    /** Author display name. Required — block is hidden when null/empty. */
    author: string | null;
    /** Avatar URL. Falls back to a placeholder when null. */
    avatar?: string | null;
    /** Optional bio paragraph rendered below the name. */
    bio?: string | null;
    /** Optional job title rendered immediately under the name. */
    jobTitle?: string | null;
    /** Optional published date (ISO string or Date). Rendered next to the name. */
    publishedAt?: string | Date | null;
    /** Optional link target for the author name (e.g. the author page). */
    href?: string | null;
    /**
     * Fallback paragraph when `bio` is empty. Plain copy — the lib has no
     * platform/config awareness, so hosts that want a branded default
     * ("Contributing author on the {platform} platform") pass it explicitly
     * (the hub wrapper derives it from `getAppConfig()`). Absent/null ⇒
     * nothing renders below the name when `bio` is empty.
     */
    fallbackBio?: string | null;
    /** Avatar size variant. `md` = 56px (default), `lg` = 64px. */
    size?: 'md' | 'lg';
    /**
     * Host-injected avatar-URL mapper. Wins over the ambient-runtime proxy
     * resolution. Use when the host proxies images outside the `ChatRuntime`
     * config (e.g. a bespoke CDN rewrite).
     */
    proxyImageUrl?: (url: string) => string;
    className?: string;
}
export declare function ArticleAuthorByline({ author, avatar, bio, jobTitle, publishedAt, href, fallbackBio, size, proxyImageUrl, className, }: ArticleAuthorBylineProps): import("react").JSX.Element | null;
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