export declare class EmailSettingsEntity {
    id: number;
    smtp_host: string;
    smtp_port: number;
    smtp_username: string;
    smtp_password: string;
    smtp_encryption: string;
    from_email: string;
    from_name: string;
    user_id: number | null;
    scheme: 'QRS' | 'TQS' | null;
    created_at: Date;
    updated_at: Date;
}