import type { UtxoExplorer } from '../../Explorer/UtxoExplorer';
import type { UtxoNetworkParams } from '../../ChainGate/networks/types';
import { BaseUtxoTransaction } from './BaseUtxoTransaction';
import type { Txo, UtxoFee, UtxoFeeTier, UtxoRecommendedFee, UtxoRecommendedFees } from './BaseUtxoTransaction';
export type { UtxoFee, UtxoFeeTier, UtxoRecommendedFee, UtxoRecommendedFees };
/**
 * An unsigned UTXO transaction prepared by {@link UtxoConnector.transfer}.
 *
 * The transaction is created with "normal" recommended fees. Before sending,
 * you can inspect or change the fee:
 *
 * @example
 * ```ts
 * const amount = cg.networks.bitcoin.amount('0.001');
 * const tx = await btc.transfer(amount, 'bc1q...');
 *
 * // Inspect recommended fees
 * const fees = tx.recommendedFees();
 * console.log(fees.normal.enoughFunds);
 *
 * // Override with a specific tier
 * tx.setFee(fees.high);
 *
 * // Or set a custom fee rate
 * tx.setFee({ feePerKbSat: 50_000n });
 *
 * // Sign and broadcast
 * const broadcasted = await tx.signAndBroadcast();
 * ```
 */
export declare class UtxoTransaction extends BaseUtxoTransaction {
    /** @internal — used by UtxoConnector.transfer to build the transaction. */
    static create(params: {
        explorer: UtxoExplorer;
        fromAddress: string;
        toAddress: string;
        valueSat: bigint;
        networkParams: UtxoNetworkParams;
        getPrivateKey: () => Promise<Uint8Array>;
    }): Promise<UtxoTransaction>;
    /** Signs the transaction and returns the serialized raw bytes. */
    protected signTransaction(inputs: Txo[], outputs: Array<{
        address: string;
        amount: bigint;
    }>, privateKey: Uint8Array): Uint8Array;
}