import { FnConfigService } from '../fn.config/fn.config.service';
import { FnLoggerService } from '../fn.logger/fn.logger.service';
import { MailgunService } from '@gleb216/nestjs-mailgun';
import { MessagesSendResult } from 'mailgun.js/definitions';
export interface IFnEmailOptions {
    to: string | string[];
    subject: string;
    text?: string;
    html?: string;
    template?: string;
    attachment?: any;
    mailgunVariables?: Record<string, unknown>;
}
export interface IEmailMessagesSendResult extends MessagesSendResult {
}
export declare class FnEmailService {
    private readonly _config;
    private readonly _log;
    private readonly _mailgunService;
    private readonly _emailProvider;
    constructor(_config: FnConfigService, _log: FnLoggerService, _mailgunService: MailgunService);
    sendEmail(options: IFnEmailOptions): Promise<IEmailMessagesSendResult>;
}