import { SchemeNetworkClient, PaymentRequirements, PaymentPayload, Network } from '@x402/core/types';
import { X as X402xClientEvmSigner, b as X402xPublicEvmClient } from '../../signer-Clo2kGD1.js';
import { P as PermitType } from '../../types-CoWeJxFg.js';
import { x402Client } from '@x402/core/client';

interface ExactX402xEvmClientConfig {
    signer: X402xClientEvmSigner;
    /**
     * Permit 需要链上读取 nonces(owner)；如果你需要在客户端使用 permitType=permit，
     * 必须提供一个可 readContract 的公共 client。
     */
    publicClient?: X402xPublicEvmClient;
    /**
     * 默认签名类型（当 PaymentRequirements.extra.permitType 未指定时生效）
     *
     * @default "eip3009"
     */
    defaultPermitType?: PermitType;
}
/**
 * x402x EVM client implementation for x402 "exact" scheme.
 *
 * - 支持 EIP-3009（默认）
 * - 支持 EIP-2612 Permit（需要 publicClient 读 nonce）
 */
declare class ExactX402xEvmClient implements SchemeNetworkClient {
    private readonly config;
    readonly scheme: "exact:eip7702";
    private readonly defaultPermitType;
    /**
     * Creates a new ExactX402xEvmClient instance.
     *
     * @param config - The configuration for the client
     */
    constructor(config: ExactX402xEvmClientConfig);
    /**
     * Creates a new ExactX402xEvmClient instance.
     *
     * @param x402Version - The x402 version
     * @param paymentRequirements - The payment requirements
     * @returns The payment payload
     */
    createPaymentPayload(x402Version: number, paymentRequirements: PaymentRequirements): Promise<Pick<PaymentPayload, 'x402Version' | 'payload'>>;
    /**
     * Creates a new ExactX402xEvmClient instance.
     *
     * @param requirements - The payment requirements
     * @returns The payment payload
     */
    private createEip3009Payload;
    /**
     * Creates a new ExactX402xEvmClient instance.
     *
     * @param requirements - The payment requirements
     * @returns The payment payload
     */
    private createPermitPayload;
}

interface X402xEvmClientRegistrationConfig {
    signer: X402xClientEvmSigner;
    publicClient?: X402xPublicEvmClient;
    /**
     * 可选：指定注册哪些网络；不填则注册 eip155:*（推荐）
     */
    networks?: Network[];
    /**
     * 默认签名类型（当 requirements.extra.permitType 未写时）
     *
     * @default "eip3009"
     */
    defaultPermitType?: PermitType;
}
/**
 * 将 x402x 的 EVM exact 机制注册到 @x402/core 的 client。
 *
 * @param client - The x402Client instance to register schemes to
 * @param config - Configuration for EVM client registration
 * @returns The client instance for chaining
 */
declare function registerExactX402xEvmScheme(client: x402Client, config: X402xEvmClientRegistrationConfig): x402Client;

export { ExactX402xEvmClient, type ExactX402xEvmClientConfig, type X402xEvmClientRegistrationConfig, registerExactX402xEvmScheme };