import { UTXO } from "scrypt-ts";
import { UtxoProvider } from "../lib/provider";
import { SupportedNetwork } from "../lib/constants";
export declare class MempoolUtxoProvider implements UtxoProvider {
    readonly network: SupportedNetwork;
    private spentUTXOs;
    private newUTXOs;
    constructor(network: SupportedNetwork);
    getMempoolApiHost: () => "https://mempool.space/signet" | "https://mempool-testnet.fractalbitcoin.io" | "https://mempool.fractalbitcoin.io";
    getUtxos(address: string, options?: {
        total?: number;
        maxCnt?: number;
    }): Promise<UTXO[]>;
    private isUnSpent;
    markSpent(txId: string, vout: number): void;
    addNewUTXO(utxo: UTXO): void;
}
//# sourceMappingURL=mempoolUtxoProvider.d.ts.map