import { BitcoinNetwork } from 'bitcoin-network';
export type DdkNetworkString = 'bitcoin' | 'testnet' | 'regtest';
/**
 * Convert BitcoinNetwork object to DDK-compatible network string
 */
export declare function bitcoinNetworkToDdkString(network: BitcoinNetwork | string): DdkNetworkString;
/**
 * Type guard to check if a network string is valid for DDK
 */
export declare function isDdkNetworkString(value: string): value is DdkNetworkString;