import Handlebars from 'handlebars';
import { HbsConfig } from '../interfaces/hbs-config.interface';
import { BaseMail } from '../mails/base.mail';
import { BaseViewAdapter } from './base-view.adapter';
export declare class HbsAdapter extends BaseViewAdapter {
    private option;
    handlebars: typeof Handlebars;
    constructor(option: HbsConfig);
    private initTemplate;
    private registerPartials;
    private initHelper;
    private getComponentContent;
    render(mail: BaseMail): Promise<string>;
}