export declare class EmailService {
    private static allowEmail;
    private static mailer;
    private static defaultSender;
    static defaultRecipients: string[];
    static configEmailService(allowEmail: boolean, defaultRecipients?: string[], service?: string, user?: string, password?: string): void;
    static sendMail(to: string[], subject: string, text: string, priority: MailPriority, htmlText?: boolean, sender?: string): Promise<boolean>;
}
export declare enum MailPriority {
    high = "high",
    normal = "normal",
    low = "low"
}
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