export declare const getRandomProxy: () => string;
export declare const getNextProxy: () => string;
export declare const updateProxyCache: () => Promise<void>;
interface ISearchOpt {
    timeout?: number;
    protocol?: 'http' | 'https';
    verboseLogging?: boolean;
    retestAllows?: boolean;
    retestDenies?: boolean;
    saveOnChange?: boolean;
}
export declare const testProxyUrl: (proxyUrl: string, opt?: ISearchOpt) => Promise<boolean | undefined>;
export declare const clearDenyList: () => void;
export declare const clearAllowList: () => void;
export declare const getDenyList: () => string[];
export declare const getAllowList: () => string[];
export declare const saveDenyList: (filename: string) => void;
export declare const loadDenyList: (filename: string) => void;
export declare const saveAllowList: (filename: string) => void;
export declare const loadAllowList: (filename: string) => void;
export declare const testProxyCache: (opt?: ISearchOpt) => Promise<void>;
export declare function initProxyFinder(): Promise<void>;
export {};