import type { HistoricalData, StockQuoteInput, StockQuoteResponse, StockQuotesInput, StockSearchResult } from './types.js';
import type { YahooClient } from './yahooFinanceClient.js';
/**
 * Service for fetching stock quotes from Yahoo Finance
 */
export declare class StockQuotesService {
    private readonly yahooClient;
    private readonly cache;
    /**
     * Create a new instance of the StockQuotesService
     */
    constructor(yahooClient: YahooClient);
    /**
     * Fetch a stock quote for the given ticker symbol
     * @param input - The stock quote input containing the ticker and optional fields
     * @returns Promise<StockQuoteResponse> - The stock quote data
     */
    getQuote(input: StockQuoteInput): Promise<StockQuoteResponse>;
    /**
     * Fetch multiple stock quotes for the given ticker symbols
     * @param input - The stock quotes input containing the tickers and optional fields
     * @returns Promise<StockQuoteResponse[]> - The stock quote data for each ticker
     */
    getQuotes(input: StockQuotesInput): Promise<StockQuoteResponse[]>;
    /**
     * Prepares and transforms field requests for Yahoo Finance
     * @param fields - Optional list of fields requested by the client
     * @returns string[] | undefined - Transformed fields for Yahoo Finance
     */
    private prepareFields;
    /**
     * Maps a YahooQuote to a StockQuoteResponse
     * @param quote - YahooQuote object
     * @param ticker - Ticker symbol
     * @param requestedFields - Optional list of fields requested by the client
     * @returns StockQuoteResponse
     */
    private mapToStockQuoteResponse;
    /**
     * Fetch multiple stock quotes at once
     * @param tickers - Array of ticker symbols
     * @returns Promise<Map<string, StockQuoteResponse>> - Map of ticker to stock quote data
     */
    getMultipleQuotes(tickers: string[]): Promise<Map<string, StockQuoteResponse>>;
    /**
     * Search for a company by name or ticker
     * @param query - Search query string
     * @returns Promise<StockSearchResult[]> - Search results
     */
    search(query: string): Promise<StockSearchResult[]>;
    /**
     * Maps Yahoo chart quotes to historical data points
     * @param chart - YahooChartResponse
     * @param fields - Optional list of fields to return
     * @returns HistoricalData[]
     */
    private mapToHistoricalData;
    /**
     * Fetches historical stock data for a given ticker, from a start date to an end date.
     * @param ticker - Stock ticker symbol (e.g., AAPL)
     * @param fromDate - Start date in 'YYYY-MM-DD' format
     * @param toDate - End date in 'YYYY-MM-DD' format
     * @param fields - Optional list of specific fields to return
     * @returns Promise<HistoricalData[]> - An array of historical data points.
     */
    getHistoricalData(ticker: string, fromDate: string, toDate: string, fields?: string[]): Promise<HistoricalData[]>;
    /**
     * Validates the date range for historical data
     * @param fromDate - Start date
     * @param toDate - End date
     */
    private validateHistoricalDataDates;
}
//# sourceMappingURL=stockQuotesService.d.ts.map