/**
 * AgentWalletClient setup for AgentPay MCP.
 * Reads config from environment variables and creates a configured wallet instance.
 */
import { type Address } from 'viem';
import { createWallet } from 'agentwallet-sdk';
export interface AgentPayConfig {
    /** Agent hot wallet private key (0x-prefixed hex) */
    agentPrivateKey: `0x${string}`;
    /** Deployed AgentAccountV2 address */
    walletAddress: Address;
    /** Chain ID (default: 8453 Base Mainnet) */
    chainId: number;
    /** RPC URL (falls back to public Base RPC) */
    rpcUrl: string;
    /** Factory address (for deploy_wallet tool only) */
    factoryAddress?: Address;
    /** NFT contract address (for deploy_wallet tool only) */
    nftContractAddress?: Address;
}
/**
 * Load configuration from environment variables.
 * Only AGENT_PRIVATE_KEY and AGENT_WALLET_ADDRESS are required to get started.
 */
export declare function loadConfig(): AgentPayConfig;
export type AgentWalletInstance = ReturnType<typeof createWallet>;
/**
 * Create an AgentWallet instance from config.
 * Returns the wallet bound to the configured chain + RPC.
 */
export declare function createAgentWallet(config: AgentPayConfig): AgentWalletInstance;
/**
 * Get the singleton AgentPay config (loaded once from env).
 * Throws a descriptive error if env vars are missing.
 */
export declare function getConfig(): AgentPayConfig;
/**
 * Get the singleton AgentWallet instance.
 * Lazily initialized on first call.
 */
export declare function getWallet(): AgentWalletInstance;
/**
 * Reset singletons (for testing only).
 */
export declare function _resetSingletons(): void;
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