import 'reflect-metadata';
import { WebhookId } from './WebhookId.js';
import { WebhookTargetUrl } from './WebhookTargetUrl.js';
/**
 * Metadata stored on a webhook class.
 */
export interface WebhookMetadata {
    /** The webhook identifier. */
    readonly id: WebhookId;
    /** The webhook target URL. */
    readonly targetUrl: WebhookTargetUrl;
    /** Optional explicit event sequence id. */
    readonly eventSequenceId: string | undefined;
}
/**
 * TypeScript decorator that marks a class as a discoverable webhook.
 * Overloads:
 * - `@webhook(targetUrl)` -> class name is used as identifier.
 * - `@webhook(id, targetUrl)` -> explicit identifier.
 * - `@webhook(id, targetUrl, eventSequenceId)` -> explicit identifier and event sequence.
 * @param idOrTargetUrl - The webhook identifier or target URL.
 * @param targetUrlOrUndefined - The webhook target URL when id is provided.
 * @param eventSequenceId - Optional event sequence identifier.
 * @returns A class decorator.
 */
export declare function webhook(targetUrl: string): ClassDecorator;
export declare function webhook(id: string, targetUrl: string): ClassDecorator;
export declare function webhook(id: string, targetUrl: string, eventSequenceId: string): ClassDecorator;
/**
 * Gets webhook metadata from a webhook class.
 * @param target - The class constructor.
 * @returns The metadata, if any.
 */
export declare function getWebhookMetadata(target: Function): WebhookMetadata | undefined;
/**
 * Checks whether a class has webhook metadata.
 * @param target - The class constructor.
 * @returns True when decorated as webhook.
 */
export declare function isWebhook(target: Function): boolean;
//# sourceMappingURL=webhook.d.ts.map