/// <reference types="node" />
export declare type WiFiOption = {
    authenticationType?: 'WEP' | 'WPA' | 'nopass' | '';
    networkSSID: string;
    password?: string;
    hidden?: boolean;
};
export declare type QROption = {
    format: 'ascii' | 'svg' | 'png';
};
export default class Qrfi {
    static defaultWiFiOption: WiFiOption;
    static defaultQROption: QROption;
    static escape: (str: string) => string;
    private authenticationType;
    private networkSSID;
    private password?;
    private hidden;
    constructor(wiFiOption: WiFiOption);
    toString: () => string;
    toQR: (option?: QROption) => Promise<string | Buffer>;
}