export type WebhookEventType = "service.started" | "service.stopped" | "service.connection_failed" | "service.error"; export interface WebhookPayload { type: WebhookEventType; timestamp: string; engineId: string; taskQueue: string; identity: string; details?: { error?: string; exitCode?: number; }; } export declare function sendWebhook(payload: WebhookPayload, webhookUrl?: string): Promise;