import type { Policy } from '../types.js';
/** Policy options for `hellthreadPolicy`. */
interface Hellthread {
    /** Total number of "p" tags a kind 1 note may have before it's rejected. Default: `100` */
    limit?: number;
}
/**
 * Reject messages that tag too many participants.
 *
 * This policy is useful to prevent unwanted notifications by limiting the number of "p" tags a kind 1 event may have.
 * Only kind 1 events are impacted by this policy, since kind 3 events will commonly exceed this number.
 *
 * @example
 * ```ts
 * // Reject events with more than 15 mentions.
 * hellthreadPolicy(msg, { limit: 15 });
 * ```
 */
declare const hellthreadPolicy: Policy<Hellthread>;
export default hellthreadPolicy;
export type { Hellthread };