declare class WorkerConfig {
    static instance: WorkerConfig;
    static apiUrl: string;
    static visitsApiUrl: string;
    static ssrApiUrl: string;
    static ssrMainWSUrl: string;
    static ssrFallbackWSUrl: string;
    private constructor();
    static getInstance(): WorkerConfig;
    setVisitsApiUrl(visitsApiUrl: string): void;
    setApiUrl(apiUrl: string): void;
    setSsrApiUrl(ssrApiUrl: string): void;
    setSsrMainWSUrl(url: string): void;
    setSsrFallbackWSUrl(url: string): void;
    getSsrMainWSUrl(): string;
    getSsrFallbackWSUrl(): string;
    getVisitsApiUrl(): string;
    getApiUrl(): string;
    getSsrApiUrl(): string;
}
declare const _default: WorkerConfig;
export default _default;