export declare class Singleton { private static instance; private constructor(); _cidiApp: number; _cidiKey: string; _cidiPassword: string; _cddApp: number; _cddKey: string; _cddPassword: string; _sharedKey: string; _useProxy: boolean; _proxyUrl: string; _proxyPort: number; _isCidiTest: boolean; static getInstance(): Singleton; config(cidiApp: number, isCidiTest: boolean, cidiKey: string, cidiPassword: string, cddApp: number, cddKey: string, cddPassword: string, sharedKey: string, useProxy: boolean, proxyUrl?: string, proxyPort?: number): void; }