/// <reference types="node" />

import { Readable } from 'stream';

import Mail = require('.');
import MimeNode = require('../mime-node');

declare class MailMessage {
    mailer: Mail;
    data: Mail.Options;
    message: MimeNode;

    constructor(mailer: Mail, data: Mail.Options);

    resolveContent(data: object | any[], key: string | number, callback: (err: Error | null, value?: any) => any): Promise<any>;

    resolveAll(callback: (err?: Error | null, data?: Mail.Options) => void): void;

    normalize(callback: (err?: Error | null, data?: Mail.Options) => void): void;

    setMailerHeader(): void;

    setPriorityHeaders(): void;

    setListHeaders(): void;
}

export = MailMessage;