import type { App } from "../main.js";
import type { MessageData } from "./message.js";
export default abstract class Mailer {
    app: App;
    abstract verify(): Promise<boolean>;
    abstract sendEmail(message: MessageData & {
        from_name: string;
    }): Promise<void>;
    send(message_data: MessageData): Promise<void>;
    init(app: App): Promise<void>;
}