export declare class EmailOptions {
    subject: string;
    to: string | string[];
    cc: string | string[];
    bcc: string | string[];
    /**
     * A _path to a Pug template file.
     */
    template: string;
    /**
     * Email body as HTML.
     */
    html: string;
    /**
     * Email body as plain-text.
     */
    text: string;
}