import { Address, AmpAttachment, Attachment, ListHeaders } from "nodemailer/lib/mailer";
import { Readable } from "nodemailer/lib/xoauth2";
type CreateTransport<T, C> = (config: any, defaults?: any) => T;
export declare abstract class MailBuilder<Transporter, Config, Options> {
    protected transporter: Transporter;
    constructor(config: Config, createTransport: CreateTransport<Transporter, Config>);
    abstract sendMail<T extends Response>(options: Options, templateMain: string): Promise<T>;
}
export interface MailOptions {
    to: string | Address | Array<string | Address>;
    from: string | Address;
    subject: string | undefined;
    text?: string;
    amp?: string | Buffer | Readable | AmpAttachment | undefined;
    attachments?: Attachment[];
    list?: ListHeaders;
}
export interface Response {
    messageId: string;
    getTestMessageUrl?: string | false;
}
export interface MailUseCases<Options extends MailOptions> {
    sendMail<T extends Response>(options: Options, templateMain: string): Promise<T>;
}
export {};
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