import { CurrencyControlOptions } from "./stores-interfaces";
/**
 * Facility for exchanging and displaying monetary values
 * - observable user display currency can be changed
 */
export declare class CurrencyControl {
    /** Currency in which to display monetary values */
    userDisplayCurrency: string;
    private readonly locale;
    private readonly precision;
    private readonly storeBaseCurrency;
    private readonly exchangeRates;
    constructor(options: CurrencyControlOptions);
    /**
     * Switch the current currency being displayed to the user
     */
    setUserDisplayCurrency(currency: string): void;
    /**
     * Perform currency conversion and format into a nice price tag
     * - optionally provide a precision override
     */
    convertAndFormat(value: any, precisionOverride?: number): string;
}