import { Wallet, Provider, TransactionRequest } from 'ethers';
import { BaseSigner } from './base';
/**
 * Local signer using a private key stored in memory
 * WARNING: Use with caution in production environments
 */
export declare class LocalSigner extends BaseSigner {
    private wallet;
    /**
     * Create a local signer from a private key
     * @param privateKey - Private key (with or without 0x prefix)
     * @param provider - Ethereum provider
     */
    constructor(privateKey: string, provider: Provider);
    /**
     * Sign a transaction using the private key
     * @param transaction - Transaction to sign
     * @returns Signed transaction as hex string
     */
    signTransaction(transaction: TransactionRequest): Promise<string>;
    /**
     * Get the Ethereum address for this signer
     * @returns Ethereum address
     */
    getAddress(): Promise<string>;
    /**
     * Sign a message using the private key
     * @param message - Message to sign
     * @returns Signature
     */
    signMessage(message: string | Uint8Array): Promise<string>;
    /**
     * Get the wallet instance (for advanced usage)
     * @returns Wallet instance
     */
    getWallet(): Wallet;
    /**
     * Create a random wallet
     * @param provider - Ethereum provider
     * @returns LocalSigner with random wallet
     */
    static createRandom(provider: Provider): LocalSigner;
}