/// <reference types="node" />
import { SendMailOptions } from 'nodemailer';
import * as DKIM from 'nodemailer/lib/dkim';
export declare type TextEncoding = 'quoted-printable' | 'base64';
export declare type Headers = {
    [key: string]: string | string[] | {
        prepared: boolean;
        value: string;
    };
} | Array<{
    key: string;
    value: string;
}>;
export interface Address {
    name: string;
    address: string;
}
export interface AttachmentLikeObject {
    path: string;
}
export interface ISendMailOptions extends SendMailOptions {
    to?: string | Address | Array<string | Address>;
    cc?: string | Address | Array<string | Address>;
    bcc?: string | Address | Array<string | Address>;
    replyTo?: string | Address;
    inReplyTo?: string | Address;
    from?: string | Address;
    subject?: string;
    text?: string | Buffer | AttachmentLikeObject;
    html?: string | Buffer;
    sender?: string | Address;
    raw?: string | Buffer;
    textEncoding?: TextEncoding;
    references?: string | string[];
    encoding?: string;
    date?: Date | string;
    headers?: Headers;
    context?: {
        [name: string]: any;
    };
    transporterName?: string;
    template?: string;
    attachments?: {
        filename: string;
        content?: any;
        path?: string;
        contentType?: string;
        cid?: string;
        encoding?: string;
        contentDisposition?: 'attachment' | 'inline' | undefined;
        href?: string;
    }[];
    dkim?: DKIM.Options;
}