import type { AnomalyEvent } from '@manehorizons/cadence-types';
import type { Notifier } from './notifier.js';
/**
 * Drop-on-the-floor notifier. Used for `transport: 'none'` and tests that
 * want to verify silence.
 */
export declare class NullNotifier implements Notifier {
    readonly name = "null";
    notify(_events: AnomalyEvent[]): Promise<void>;
}
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