/*******************************************************************************
 *   (c) 2023 unipackage
 *
 *  Licensed under either the MIT License (the "MIT License") or the Apache License, Version 2.0
 *  (the "Apache License"). You may not use this file except in compliance with one of these
 *  licenses. You may obtain a copy of the MIT License at
 *
 *      https://opensource.org/licenses/MIT
 *
 *  Or the Apache License, Version 2.0 at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the MIT License or the Apache License for the specific language governing permissions and
 *  limitations under the respective licenses.
 ********************************************************************************/
import { IWallet, EthersKeyStore } from "../../interface/wallet";
import { Wallet } from "ethers";
import { EvmOutput } from "../../interface";
/**
 * Implementation of the IWallet interface using ethers.js library.
 */
export declare class EthersWallet implements IWallet {
    private provider;
    private wallets;
    private default?;
    /**
     * Constructor to initialize the EthersWallet with a given provider URL.
     *
     * @param providerUrl - The URL of the provider to connect to.
     */
    constructor(providerUrl: string);
    /**
     * Add an account to the wallet.
     *
     * @param account - The account private key or address to add.
     * @returns An output representing the operation's result.
     */
    add(account: string): EvmOutput<void>;
    /**
     * Clear all accounts from the wallet.
     *
     * @returns An output representing the operation's result.
     */
    clear(): EvmOutput<void>;
    /**
     * Retrieve an account from the wallet using its address or index.
     *
     * @param addressOrIndex - The address or index of the account to retrieve.
     * @returns An output representing the operation's result.
     */
    get(addressOrIndex: string | number): EvmOutput<Wallet>;
    /**
     * Remove an account from the wallet using its address or index.
     *
     * @param addressOrIndex - The address or index of the account to remove.
     * @returns An output representing the operation's result.
     */
    remove(addressOrIndex: string | number): EvmOutput<void>;
    /**
     * Retrieve the default account from the wallet.
     *
     * @returns An output representing the operation's result.
     */
    getDefault(): EvmOutput<Wallet>;
    /**
     * Set a new default account for the wallet.
     *
     * @param account - The account or its address to set as default.
     * @returns An output representing the operation's result.
     */
    setDefault(account: Wallet | string): EvmOutput<void>;
    /**
     * Export the accounts in the wallet as encrypted keystore files.
     * Not yet implemented.
     *
     * @param password - The password to encrypt the keystore files.
     * @returns A promise resolving to an output representing the operation's result.
     */
    export(password?: string): Promise<EvmOutput<EthersKeyStore[]>>;
    /**
     * Import and add accounts to the wallet from encrypted keystore files.
     * Not yet implemented.
     *
     * @param keyName - The keystore data to import.
     * @param password - The password to decrypt the keystore files.
     * @returns A promise resolving to an output representing the operation's result.
     */
    import(keyName: EthersKeyStore[], password?: string): Promise<EvmOutput<boolean>>;
}
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