export interface UseMarkConversationAsReadProps {
    conversationId: string;
}
/**
 * Internal hook — called by ConversationProvider, not intended for direct use.
 * Advances the server-side lastReadAt to the given message's createdAt and
 * resets the local unread count to 0 immediately (optimistic clear).
 */
declare function useMarkConversationAsRead({ conversationId, }: UseMarkConversationAsReadProps): ({ messageId }: {
    messageId: string;
}) => Promise<void>;
export default useMarkConversationAsRead;