export interface keyObject {
    privateKey: string;
    publicKey: string;
}
export interface keyObjectWithPreshared extends keyObject {
    presharedKey: string;
}
export declare const constants: {
    WG_KEY_LENGTH: number;
    B64_WG_KEY_LENGTH: number;
}, presharedKey: () => Promise<string>, privateKey: () => Promise<string>, publicKey: (privateKey: string) => Promise<string>, genKey: {
    (presharedKey: true): Promise<keyObjectWithPreshared>;
    (presharedKey: false): Promise<keyObject>;
    (): Promise<keyObject>;
};