import type * as Pinnacle from "../index.mjs";
export interface AttachWebhookResult {
    webhook: AttachWebhookResult.Webhook;
    /** The event type filter applied to these subscriptions. */
    event: Pinnacle.WebhookEventEnum | null;
    /** Senders that were successfully attached (phone numbers in E.164 format or RCS agent IDs). */
    senders: string[];
    /** Senders that could not be attached, with error details. */
    failed: Pinnacle.FailedSender[];
}
export declare namespace AttachWebhookResult {
    interface Webhook {
        /** Unique webhook identifier (starts with `wh_`). */
        id: string;
        /** Name of the webhook. */
        name: string;
        /** HTTPS endpoint URL where events are delivered. */
        url: string;
        /** Signing secret sent in the `PINNACLE-SIGNING-SECRET` header for request verification. */
        secret: string;
        /** Optional custom HTTP headers sent on every webhook delivery. Header names must match the regex `^[A-Za-z0-9][A-Za-z0-9_-]*$` — start with a letter or digit and contain only letters, digits, `-`, or `_`. Keys are case-insensitive and stored in uppercase. Values must be strings. The reserved `PINNACLE-SIGNING-SECRET` header is never returned here and cannot be overridden. */
        headers?: Record<string, string | null> | null;
    }
}