export declare class CurrencyHelper {
    static CACHE_KEY: string;
    static CACHE_EXPIRATION: number;
    static rates: Record<string, number>;
    static currentBase: string;
    static loadCurrency: () => Promise<any>;
    static formatCurrency(amount: number): string;
    static formatCurrencyWithLocale(amount: number, currency?: string, fractionDigits?: number): string;
    static getCurrencySymbol(currency?: string): any;
    private static getLocaleForCurrency;
    static initializeExchangeRates(): Promise<void>;
    static getExchangeRates(baseCurrency: string): Promise<Record<string, number>>;
    static convertDonation(donation: {
        currency: string;
        amount: number;
    }, targetCurrency: string, withCurrencyLabel?: boolean, rates?: Record<string, number>): string;
    static convertDonationTotals(donations: {
        currency: string;
        amount: number;
    }[], targetCurrency: string, rates?: Record<string, number>): string;
    static convertAmount(amount: number, fromCurrency: string, toCurrency: string, rates?: Record<string, number>): number;
    static convertAmountWithLocale(amount: number, donationCurrency: string, selectedCurrency: string): string;
}
//# sourceMappingURL=CurrencyHelper.d.ts.map