import { FC } from 'react';
interface LoadOlderMessagesProps {
    isLoading: boolean;
    error: boolean;
    /** Triggered by clicking the affordance (fallback to scroll-to-top). */
    onLoad: () => void;
}
/**
 * Top-of-list "load older messages" affordance. Scroll-to-top is the
 * primary trigger; this row makes the state visible and offers a click
 * fallback (and a retry path on error). Rendered only when older history
 * exists or a fetch is in flight / failed.
 */
export declare const LoadOlderMessages: FC<LoadOlderMessagesProps>;
export {};
//# sourceMappingURL=LoadOlderMessages.d.ts.map