import { UTXO } from '../utils/utxo'; export declare const Blockstream: { fetchUTXO: (testnet: boolean) => (txHash: string, vOut: number) => Promise; fetchUTXOs: (testnet: boolean) => (address: string, confirmations: number) => Promise; broadcastTransaction: (testnet: boolean) => (txHex: string) => Promise; fetchTXs: (testnet: boolean) => (address: string, confirmations?: number) => Promise; };