import { CallbackProcessor } from '@sinch/sdk-client';
import { IncomingHttpHeaders } from 'http';
import { FaxWebhookEventParsed } from '../../../models';
export declare class FaxCallbackWebhooks implements CallbackProcessor<FaxWebhookEventParsed> {
    /**
     * Reviver for a Fax Event
     * This method ensures the object can be treated as a Fax Event and should be called before any action is taken to manipulate the object.
     * @param {any} eventBody - the event body or form containing the Fax event notification.
     * @return {FaxWebhookEventParsed} - The parsed Fax event object
     */
    parseEvent(eventBody: any): FaxWebhookEventParsed;
    private reviveFax;
    validateAuthenticationHeader(_headers: IncomingHttpHeaders, _body: any, _path: string, _method: string): boolean;
    /**
     * Static reviver for a Fax Event.
     * This method ensures the object can be treated as a Fax Event.
     * @param {any} eventBody - The event body containing the Fax event notification.
     * @return {FaxWebhookEventParsed} - The parsed Fax event object
     */
    static parseEvent(eventBody: any): FaxWebhookEventParsed;
}