import type { AnomalyEvent } from '@manehorizons/cadence-types';
import type { Notifier } from './notifier.js';
export interface WebhookNotifierOptions {
    url: string;
    headers?: Record<string, string>;
    /** Per-request timeout in ms. Defaults to 5000. */
    timeoutMs?: number;
    /** Test seam: stand in for `process.stderr.write`. */
    stderrWrite?: (chunk: string) => void;
    /** Test seam: stand in for global `fetch`. */
    fetchImpl?: typeof fetch;
}
/**
 * POSTs the batched anomaly events to a user-provided URL as
 * `{events: AnomalyEvent[]}` JSON. Phase 19.1 generic webhook primitive —
 * bring your own bridge (Slack incoming, Discord webhook, Zapier catch,
 * n8n hook, continuity-runtime ingester, etc.). On any transport failure
 * (network / non-2xx / timeout) the notifier writes one stderr warning and
 * resolves — settle never breaks on transport errors. The URL is sensitive
 * (may carry a token) and is NEVER included in the failure message.
 */
export declare class WebhookNotifier implements Notifier {
    readonly name = "webhook";
    private readonly url;
    private readonly headers;
    private readonly timeoutMs;
    private readonly stderrWrite;
    private readonly fetchImpl;
    constructor(opts: WebhookNotifierOptions);
    notify(events: AnomalyEvent[]): Promise<void>;
    private warn;
}
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