/**
 * Shared AgentPay x402 client.
 *
 * x402_pay and x402_session_start used to each construct createX402Client
 * with a copy of the same onBeforePayment guards. One factory owns:
 *   - payable payTo / parsable amount
 *   - max_payment_eth in the selected asset's base units
 *   - SpendingPolicy reserve on approve, commit on payment, release if unused
 */
import { createX402Client, type X402TransactionLog } from 'agentwallet-sdk';
import type { AgentWalletInstance } from './client.js';
export type AgentPayX402Kind = 'payment' | 'session';
export interface AgentPayX402ClientOptions {
    chainId: number;
    maxPaymentEth?: string;
    kind?: AgentPayX402Kind;
    onPaymentComplete?: (log: X402TransactionLog) => void;
}
export interface AgentPayX402Client {
    client: ReturnType<typeof createX402Client>;
    releaseUnusedReservation: () => void;
    lockUnusedReservation: () => void;
    /**
     * Drop a hold that never reached onPaymentComplete.
     * Definite pre-broadcast failures release so the cap can be retried.
     * Any other error may be post-broadcast — lock, never auto-unlock.
     */
    disposeUnusedReservation: (_error?: unknown) => void;
}
/**
 * Create the shared x402 client used by paid fetch and session start.
 */
export declare function createAgentPayX402Client(wallet: AgentWalletInstance, options: AgentPayX402ClientOptions): AgentPayX402Client;
//# sourceMappingURL=x402-client.d.ts.map