import { SymbolSearchMatch, GlobalQuote } from './alphavantage.types';
export declare class AlphaVantageClient {
    searchSymbol(query: string): Promise<SymbolSearchMatch[]>;
    getQuote(symbol: string): Promise<GlobalQuote | null>;
    private get;
    private assertNotThrottled;
    private parseFloatSafe;
    private parsePercent;
    private formatError;
}