interface CacheValue {
    active?: boolean;
    cacheTimer?: number;
    [key: string]: any;
}
interface FetchWithCacheParams {
    url: string;
    time?: number;
    ignoreCache: boolean;
}
export declare function fetchWithCache(params: FetchWithCacheParams): Promise<CacheValue>;
interface PingSiteParams {
    url: string;
    cb: (value: boolean) => void;
    ignoreCache: boolean;
}
export declare const pingSite: (params: PingSiteParams) => Promise<void>;
export {};