import { MailOptions } from '@balena/jellyfish-environment';
import { SendEmailOptions } from '../types';
import { MailgunAuth, MailgunIntegration } from './types';
export declare class Mailgun implements MailgunIntegration {
    options: MailOptions;
    domain: string;
    requestDomain: string;
    auth: MailgunAuth;
    constructor(options: MailOptions);
    /**
     * @summary Send email using Mailgun api
     * @function
     *
     * @param options - send email options
     * @returns API request result
     *
     * @example
     * ```typescript
     * const result = await sendEmail({
     *   toAddress: 'user@domain.com',
     *   fromAddress: 'us@domain.com',
     *   subject: 'Hello',
     *   html: '<b>Hello</b>',
     * });
     * ```
     */
    sendEmail(options: SendEmailOptions): Promise<any>;
}