import { AssetInfo, FeeRate } from '@xchainjs/xchain-client';
import { Address } from '@xchainjs/xchain-util';
import { Client as UTXOClient, PreparedTx, TxParams, UTXO, UtxoClientParams, UtxoSelectionPreferences } from '@xchainjs/xchain-utxo';
import * as Litecoin from 'bitcoinjs-lib';
/**
 * Default parameters for the Litecoin client.
 */
export declare const defaultLtcParams: UtxoClientParams;
/**
 * Custom Litecoin client.
 */
declare abstract class Client extends UTXOClient {
    /**
     * Constructs a new `Client` with the provided parameters.
     *
     * @param {UtxoClientParams} params The parameters for initializing the client.
     */
    constructor(params?: UtxoClientParams);
    /**
     * Returns information about the asset used by the client.
     *
     * @returns {AssetInfo} Information about the asset.
     */
    getAssetInfo(): AssetInfo;
    /**
     * Validates the given Litecoin address.
     *
     * @param {string} address The Litecoin address to validate.
     * @returns {boolean} `true` if the address is valid, `false` otherwise.
     */
    validateAddress(address: string): boolean;
    /**
     * Builds a Litecoin (LTC) transaction.
     *
     * @param {BuildParams} params The transaction build options.
     * @returns {Transaction} A promise that resolves to the PSBT (Partially Signed Bitcoin Transaction) and UTXOs (Unspent Transaction Outputs).
     * @deprecated This function will eventually be removed. Use `prepareTx` instead.
     */
    buildTx({ amount, recipient, memo, feeRate, sender, }: TxParams & {
        feeRate: FeeRate;
        sender: Address;
    }): Promise<{
        psbt: Litecoin.Psbt;
        utxos: UTXO[];
        inputs: UTXO[];
    }>;
    /**
     * Prepares a Litecoin (LTC) transaction.
     *
     * @deprecated Use `prepareTxEnhanced` instead for better UTXO selection and error handling.
     * @param {TxParams&Address&FeeRate&boolean} params The transfer options.
     * @returns {PreparedTx} A promise that resolves to the raw unsigned transaction.
     */
    prepareTx({ sender, memo, amount, recipient, feeRate, }: TxParams & {
        sender: Address;
        feeRate: FeeRate;
        spendPendingUTXO?: boolean;
    }): Promise<PreparedTx & {
        utxos: UTXO[];
        inputs: UTXO[];
    }>;
    /**
     * Compile memo.
     *
     * @param {string} memo The memo to be compiled.
     * @returns {Buffer} The compiled memo.
     */
    protected compileMemo(memo: string): Buffer;
    /**
     * Calculates the transaction fee based on the provided UTXOs, fee rate, and optional compiled memo.
     *
     * @param {UTXO[]} inputs The The UTXOs used as inputs in the transaction.
     * @param {FeeRate} feeRate The fee rate.
     * @param {Buffer} data The compiled memo (Optional).
     * @returns {number} The calculated  fee amount.
     */
    protected getFeeFromUtxos(inputs: UTXO[], feeRate: FeeRate, data?: Buffer | null): number;
    /**
     * Build transaction with enhanced UTXO selection
     */
    buildTxEnhanced({ amount, recipient, memo, feeRate, sender, spendPendingUTXO, utxoSelectionPreferences, selectedUtxos, }: TxParams & {
        feeRate: FeeRate;
        sender: Address;
        spendPendingUTXO?: boolean;
        utxoSelectionPreferences?: UtxoSelectionPreferences;
        selectedUtxos?: UTXO[];
    }): Promise<{
        psbt: Litecoin.Psbt;
        utxos: UTXO[];
        inputs: UTXO[];
    }>;
    /**
     * Prepare transaction with enhanced UTXO selection
     */
    prepareTxEnhanced({ sender, memo, amount, recipient, spendPendingUTXO, feeRate, utxoSelectionPreferences, selectedUtxos, }: TxParams & {
        sender: Address;
        feeRate: FeeRate;
        spendPendingUTXO?: boolean;
        utxoSelectionPreferences?: UtxoSelectionPreferences;
        selectedUtxos?: UTXO[];
    }): Promise<PreparedTx>;
    /**
     * Send maximum possible amount (sweep)
     */
    sendMax({ sender, recipient, memo, feeRate, spendPendingUTXO, utxoSelectionPreferences, selectedUtxos, }: {
        sender: Address;
        recipient: Address;
        memo?: string;
        feeRate: FeeRate;
        spendPendingUTXO?: boolean;
        utxoSelectionPreferences?: UtxoSelectionPreferences;
        selectedUtxos?: UTXO[];
    }): Promise<{
        psbt: Litecoin.Psbt;
        utxos: UTXO[];
        inputs: UTXO[];
        maxAmount: number;
        fee: number;
    }>;
    /**
     * Prepare max send transaction
     */
    prepareMaxTx({ sender, recipient, memo, feeRate, spendPendingUTXO, utxoSelectionPreferences, selectedUtxos, }: {
        sender: Address;
        recipient: Address;
        memo?: string;
        feeRate: FeeRate;
        spendPendingUTXO?: boolean;
        utxoSelectionPreferences?: UtxoSelectionPreferences;
        selectedUtxos?: UTXO[];
    }): Promise<PreparedTx & {
        maxAmount: number;
        fee: number;
    }>;
}
export { Client };