import { AssetInfo, FeeEstimateOptions, FeeRate, FeeRates, Fees, FeesWithRates } from '@xchainjs/xchain-client';
import { Address } from '@xchainjs/xchain-util';
import { Client as UTXOClient, PreparedTx, TxParams, UTXO, UtxoClientParams } from '@xchainjs/xchain-utxo';
export declare const defaultZECParams: UtxoClientParams;
/**
 * Custom Zcash client (only support t-addresses)
 */
declare abstract class Client extends UTXOClient {
    /**
     * Constructor
     * Initializes the client with network type and other parameters.
     * @param {UtxoClientParams} params
     */
    constructor(params?: UtxoClientParams);
    /**
     * Get ZEC asset info.
     * @returns {AssetInfo} ZEC asset information.
     */
    getAssetInfo(): AssetInfo;
    /**
     * Validate the given Zcash address.
     * @param {string} address Zcash address to validate (only t-addresses).
     * @returns {boolean} `true` if the address is valid, `false` otherwise.
     */
    validateAddress(address: string): boolean;
    /**
     * Compile memo into a buffer.
     * @param {string} memo Memo to compile.
     * @returns {Buffer} Compiled memo.
     */
    protected compileMemo(memo: string): Buffer;
    /**
     * Get transaction fee from UTXOs.
     * @param {UTXO[]} inputs UTXOs to calculate fee from.
     * @param {FeeRate} feeRate Fee rate.
     * @param {Buffer | null} data Compiled memo (Optional).
     * @returns {number} Transaction fee.
     */
    protected getFeeFromUtxos(inputs: UTXO[], feeRate: FeeRate, _data?: Buffer | null): number;
    /**
     * Prepare transfer.
     *
     * @deprecated Use `prepareMaxTx` for sweep transactions. Zcash uses flat fees.
     * @param {TxParams&Address&FeeRate&boolean} params The transfer options.
     * @returns {PreparedTx} The raw unsigned transaction.
     */
    prepareTx({ sender, memo, amount, recipient, feeRate: _feeRate, // Ignored: Zcash uses flat fees
    spendPendingUTXO, }: TxParams & {
        sender: Address;
        feeRate: FeeRate;
        spendPendingUTXO?: boolean;
    }): Promise<PreparedTx>;
    getFeesWithRates(): Promise<FeesWithRates>;
    getFeeRates(): Promise<FeeRates>;
    getFees(options?: FeeEstimateOptions): Promise<Fees>;
    /**
     * Prepare max send transaction (sweep) for Zcash.
     * Since Zcash uses flat fees, this calculates the maximum sendable amount
     * after deducting the required fee.
     */
    prepareMaxTx({ sender, recipient, memo, spendPendingUTXO, selectedUtxos, }: {
        sender: Address;
        recipient: Address;
        memo?: string;
        spendPendingUTXO?: boolean;
        selectedUtxos?: UTXO[];
    }): Promise<PreparedTx & {
        maxAmount: number;
        fee: number;
    }>;
}
export { Client };