interface Key {
    project_id: string;
    path: string;
    time: Date;
    target: string;
}
import { PostgreSQL } from "../postgres/types";
export declare function handle_mentions_loop(db: PostgreSQL, poll_interval_s?: number): Promise<void>;
export declare function handle_all_mentions(db: any): Promise<void>;
export declare function handle_mention(db: PostgreSQL, key: Key, source: string, _priority: number, // ignored for now.
description?: string): Promise<void>;
export declare function record_error(db: any, key: Key, action: string, error: string): Promise<void>;
export {};