/// <reference types="node" />
/// <reference types="node" />
import type { CryptoCurrency, TokenCurrency } from "@ledgerhq/types-cryptoassets";
type ExchangeCurrencyNameAndSignature = {
    config: Buffer;
    signature: Buffer;
};
export declare const isExchangeSupportedByApp: (appName: string, appVersion: string) => boolean;
export declare const getCurrencyExchangeConfig: (currency: CryptoCurrency | TokenCurrency) => Promise<ExchangeCurrencyNameAndSignature>;
export {};
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