/**
 * Webhook notifier — fire HTTP POST callbacks on crawl lifecycle events.
 *
 * Supports: crawl.started, crawl.progress, crawl.completed, crawl.failed
 * Payload format compatible with Slack, Discord, and generic REST webhooks.
 * Retries 3x on failure with exponential backoff.
 */
export type CrawlEventType = 'crawl.started' | 'crawl.progress' | 'crawl.completed' | 'crawl.failed';
export interface WebhookPayload {
    event: CrawlEventType;
    jobId: string;
    projectId: string;
    tenantId: string;
    timestamp: string;
    data: Record<string, unknown>;
}
export interface WebhookNotifierOpts {
    url: string;
    secret?: string;
    headers?: Record<string, string>;
    timeoutMs?: number;
    maxRetries?: number;
}
export declare class WebhookNotifier {
    private readonly opts;
    constructor(opts: WebhookNotifierOpts);
    notify(event: CrawlEventType, jobId: string, projectId: string, tenantId: string, data?: Record<string, unknown>): Promise<void>;
    /** Slack-compatible message format */
    static slackPayload(event: CrawlEventType, data: Record<string, unknown>): Record<string, unknown>;
}