export declare namespace yahooFin {
    const IndexGroup: {
        WORLD_INDEX: {
            name: string;
            key: string;
        }[];
        INDIA_INDEX: {
            name: string;
            key: string;
        }[];
    };
    type TStockInfo = {
        _id: string;
        ltp: number;
        open: number;
        symbol: string;
        name: string;
        exchange: TExchange;
        volume: number;
        high: number;
        low: number;
        change: number;
        pchange: number;
        timestamp: number;
        week52High?: number;
        week52Low?: number;
        avgVolume?: number;
        yAnalystRating?: string;
        pre_ltp?: number;
        pre_pchange?: number;
        post_ltp?: number;
        post_pchange?: number;
        previousClose?: number;
        ltp_ext?: number;
        clock_type: TClockType;
        [key: string]: any;
        raw_payload?: any;
    };
    type TExchange = "NSE" | "BSE" | "NASDAQ" | "LSE";
    function getTradingViewKey(key: string): any;
    function isSymbolSupportedByExchange(symbol: string, exchange: TExchange): boolean;
    function getExchangeFromKey(id: string): TExchange;
    function getSymbolFromFullKey(key: string): string;
    function getKeyFromSymbol(symbol: string, exchange: TExchange): string;
    function getTradingViewUrl(s: yahooFin.TStockInfo): string;
    function getYEx2TvEx(s: string): string;
    function getBulkStockQuoteWithFullKey1(symbols: string[]): Promise<TStockInfo[]>;
    function getBulkStockQuoteWithFullKey2(symbols: string[]): Promise<TStockInfo[]>;
    function getBulkStockQuoteWithFullKey3(symbols: string[]): Promise<TStockInfo[]>;
    type TInterval = "1d" | "5m" | "15m" | "1h";
    type TRange = "1d" | "5d" | "1mo" | "3mo" | "6mo" | "1y" | "2y" | "5y" | "10y" | "ytd" | "max";
    type THistoryData = {
        timestamp: number[];
        open: number[];
        close: number[];
        high: number[];
        low: number[];
        volume: number[];
        date: Date[];
    };
    function getHistoryData(symbol: string, interval: TInterval, candle_count?: number, range?: TRange): Promise<THistoryData | undefined>;
    function getHistoryDataInRage(symbol: string, startISO: string, endISO: string, interval: string): Promise<THistoryData | undefined>;
    function getBulkHistoryData(symbols: string[], interval: TInterval, candle_count?: number): Promise<Map<string, THistoryData> | undefined>;
    type TSupportedNSEIndex = "NIFTY 50" | "NIFTY BANK" | "NIFTY ENERGY" | "NIFTY 200" | "NIFTY 500";
    function fetchNSEIndexList(index: TSupportedNSEIndex): Promise<yahooFin.TStockInfo[]>;
    function getAllBSEData(): Promise<TStockInfo[]>;
    function processStockInfo(info: TStockInfo): void;
    type TClockType = 'PRE_MARKET' | 'ON_MARKET' | 'POST_MARKET' | 'OFF_MARKET';
    function getTradingClockType(exchange: TExchange): TClockType;
}