import { sdk } from '../../index.client';
export declare function updateChaintracksFiatExchangeRates(targetCurrencies: string[], options: sdk.WalletServicesOptions): Promise<sdk.FiatExchangeRates>;
export declare function updateExchangeratesapi(targetCurrencies: string[], options: sdk.WalletServicesOptions): Promise<sdk.FiatExchangeRates>;
export interface ExchangeRatesIoApi {
    success: boolean;
    timestamp: number;
    base: 'EUR' | 'USD';
    date: string;
    rates: Record<string, number>;
}
export declare function getExchangeRatesIo(key: string): Promise<ExchangeRatesIoApi>;
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