import { CurrencyCode, Network } from './interfaces';
declare global {
    interface Window {
        ZumoCoreModule: any;
    }
}
/**
 * Crypto utility interface describes methods for mnemonic phrase generation and
 * Bitcoin/Ethereum address validation.
 */
export declare class Utils {
    /** @internal */
    zumoCoreModule: any;
    /** @internal */
    utilsImpl: any;
    /** @internal */
    constructor(zumoCoreModule: any, utilsImpl: any);
    /**
     * Generates mnemonic seed phrase used in wallet creation process.
     * @param wordCount   12, 15, 18, 21 or 24
     */
    generateMnemonic(wordCount: number): string;
    /**
     * Validates Ethereum, Bitcoin or Bitcoin SV address.
     * @param currencyCode 'ETH', 'BTC or 'BSV'
     * @param address      blockchain address
     * @param network      network type
     */
    isValidAddress(currencyCode: CurrencyCode, address: string, network: Network): boolean;
}