import type { Contract, WhatToShow } from "@stoqey/ib";
import type { Instrument, MarketData } from "../interfaces";
export declare const getSymbolKey: (contract: Contract | Instrument) => string;
export interface GetHistoricalData {
    instrument: Instrument;
    startDate: Date;
    endDate?: Date;
    whatToShow?: WhatToShow;
    saveToDb?: (mkd: MarketData[]) => Promise<void>;
    calculate?: boolean;
}