/**
 * Wallet Management
 *
 * Creates and manages an EVM wallet for making x402 payments.
 * The private key is stored securely on the local filesystem.
 */
import { PrivateKeyAccount } from "viem";
/**
 * Get or create a wallet for x402 payments
 * Returns the account and whether it was newly created
 */
export declare function getWallet(): Promise<{
    account: PrivateKeyAccount;
    isNew: boolean;
}>;
/**
 * Get the wallet address without loading the full account
 */
export declare function getWalletAddress(): string | null;
/**
 * Check if a wallet exists
 */
export declare function walletExists(): boolean;
/**
 * Get the config directory path
 */
export declare function getConfigDir(): string;
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