import { Address, Hex } from 'viem';
/**
 * Configuration for MockEthereumWallet.
 */
export interface MockEthereumWalletConfig {
    address?: Address;
    chainId?: number;
    shouldFailOperations?: boolean;
    transactionDelay?: number;
}
/**
 * Mock Ethereum wallet for testing.
 *
 * Provides the subset of viem's WalletClient methods used by the SDK.
 * Can be passed to functions expecting a WalletClient for testing purposes.
 */
export declare class MockEthereumWallet {
    account: {
        address: Address;
    };
    chain: {
        id: number;
    };
    private shouldFailOperations;
    private transactionDelay;
    private nonce;
    constructor(config?: MockEthereumWalletConfig);
    signMessage(args: {
        message: string;
        account?: Address;
    }): Promise<Hex>;
    sendTransaction(tx: {
        to: Address;
        data?: Hex;
        value?: bigint;
        gas?: bigint;
        account?: {
            address: Address;
        };
        chain?: {
            id: number;
        };
    }): Promise<Hex>;
    /** Updates configuration for testing different scenarios. */
    updateConfig(updates: Partial<MockEthereumWalletConfig>): void;
    /** Resets to default configuration and nonce. */
    reset(): void;
    /** Returns current nonce for testing. */
    getCurrentNonce(): number;
}
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