import { AlertChannel, AlertChannelProps } from './alert-channel';
import { HttpHeader } from './http-header';
import { HttpRequestMethod } from './http-request';
import { QueryParam } from './query-param';
export interface WebhookAlertChannelProps extends AlertChannelProps {
    /**
     * Friendly name to recognise the integration.
     */
    name: string;
    webhookType?: string;
    /**
     * The URL where to send the webhook HTTP request.
     */
    url: URL | string;
    /**
     * This is commonly a JSON body. You can
     * use {@link https://www.checklyhq.com/docs/communicate/alerts/webhooks/#using-variables | Handlebars-style template variables}
     * to add custom data to the template.
     */
    template?: string;
    /**
     * Either `GET`, `POST`, `PUT`, `PATCH`, `HEAD`, `DELETE` or 'OPTIONS' just like an API check.
     */
    method?: HttpRequestMethod;
    /**
     * Key-value elements array with the headers to send in the webhook HTTP request.
     */
    headers?: Array<HttpHeader>;
    /**
     * Key-value elements array with the query parameters to include in the URL for the webhook HTTP request.
     */
    queryParameters?: Array<QueryParam>;
    /**
     * An optional value to use as the
     * {@link https://www.checklyhq.com/docs/alerting-and-retries/webhooks/#webhook-secrets secret for the webhook}.
     *
     * You may specify any value that meets your security criteria.
     */
    webhookSecret?: string;
}
/**
 * Creates an Webhook Alert Channel
 *
 * @remarks
 *
 * This class make use of the Alert Channel endpoints.
 */
export declare class WebhookAlertChannel extends AlertChannel {
    name: string;
    webhookType?: string;
    url: URL | string;
    template?: string;
    method?: HttpRequestMethod;
    headers?: Array<HttpHeader>;
    queryParameters?: Array<QueryParam>;
    webhookSecret?: string;
    /**
     * Constructs the Webhook Alert Channel instance
     *
     * @param logicalId unique project-scoped resource name identification
     * @param props Webhook alert channel configuration properties
     *
     * {@link https://www.checklyhq.com/docs/constructs/webhook-alert-channel/ Read more in the docs}
     */
    constructor(logicalId: string, props: WebhookAlertChannelProps);
    describe(): string;
    synthesize(): any;
}