import { SentMessageInfo } from "nodemailer";
export declare function mailRoute(template: string): string;
export default class Mail {
    private static transporter;
    private static getTransporter;
    static prepare(): Promise<void>;
    static end(): void;
    static parse(template: string, data: any, textOnly: boolean): string;
    private readonly template;
    private readonly options;
    private readonly data;
    constructor(template: MailTemplate, data?: {
        [p: string]: any;
    });
    private verifyData;
    send(...to: string[]): Promise<SentMessageInfo[]>;
}
export declare class MailTemplate {
    private readonly _template;
    private readonly subject;
    constructor(template: string, subject: (data: any) => string);
    get template(): string;
    getSubject(data: any): string;
}