import { MailgunMessageData } from 'mailgun.js';
import { Connection } from '../../../skychat/Connection.js';
import { RoomManager } from '../../../skychat/RoomManager.js';
import { User } from '../../../skychat/User.js';
import { GlobalPlugin } from '../../GlobalPlugin.js';
export declare class MailPlugin extends GlobalPlugin {
    static readonly commandName = "mail";
    readonly opOnly = true;
    readonly rules: {
        mail: {
            minCount: number;
            coolDown: number;
            params: {
                name: string;
                pattern: RegExp;
            }[];
        };
    };
    private readonly mailgunDomain;
    private readonly mailgunClient?;
    constructor(manager: RoomManager);
    run(alias: string, param: string, connection: Connection): Promise<void>;
    /**
     * Send an email to an email address
     */
    sendMail(data: MailgunMessageData): Promise<import("mailgun.js").MessagesSendResult>;
    /**
     * Send an email to a specific user
     */
    sendMailToUser(user: User, data: MailgunMessageData): Promise<import("mailgun.js").MessagesSendResult>;
    /**
     * Send an email to a user using its username
     */
    sendMailToUsername(username: string, data: MailgunMessageData): Promise<import("mailgun.js").MessagesSendResult>;
}