import * as rxjs from 'rxjs';
import { ConfigService } from '@nestjs/config';
import { Transporter } from 'nodemailer';
import { S as SmpEnvironmentVariables, a as SmpWinstonLoggerService } from './smp-winston-logger-service.class-CltMrgeM.d-DMEPsq_W.cjs';
import 'zod';
import 'url';
import '@tonysamperi/logger';
import 'winston';
import 'winston-transport';

interface SmpSendEmailOptions {
    to: string;
    subject: string;
    text?: string;
    html?: string;
    from?: string;
}

declare class SmpSmtpService<T extends SmpEnvironmentVariables = SmpEnvironmentVariables> {
    protected readonly _configSrv: ConfigService<T>;
    protected readonly _loggerSrv: SmpWinstonLoggerService;
    protected _transporter: Transporter;
    constructor(_configSrv: ConfigService<T>, _loggerSrv: SmpWinstonLoggerService);
    sendEmail(opts: SmpSendEmailOptions): rxjs.Observable<{
        messageId: string;
    }>;
    verifyConnection(): rxjs.Observable<boolean>;
    protected _init(): void;
}

declare class SmpSmtpModule {
}

export { type SmpSendEmailOptions, SmpSmtpModule, SmpSmtpService };