export { ExactX402xEvmClient, ExactX402xEvmClientConfig, X402xEvmClientRegistrationConfig, registerExactX402xEvmScheme } from './exact/client/index.js';
export { E as ExactX402xEvmFacilitator, a as ExactX402xEvmFacilitatorConfig } from './scheme-DJ6niTIX.js';
export { X as X402xClientEvmSigner, a as X402xFacilitatorEvmSigner, b as X402xPublicEvmClient, t as toX402xClientEvmSigner, c as toX402xFacilitatorEvmSigner } from './signer-Clo2kGD1.js';
export { E as ExactX402xEvmServer, a as ExactX402xEvmServerAssetConfig } from './scheme-CzkB8yRu.js';
export { b as Eip3009Authorization, E as ExactX402xEvmPayload, a as PermitAuthorization, P as PermitType } from './types-CoWeJxFg.js';
import { PaymentRequirements } from '@x402/core/types';
import '@x402/core/client';
import 'viem';

/**
 * Create a copy of PaymentRequirements with extra merged in.
 * This is a small helper to keep server examples clean (avoid repeating map + spread).
 *
 * @param requirements - A single requirements object or an array
 * @param extra - Extra fields to merge into requirements.extra
 * @returns New requirements object(s) with merged extra
 */
declare function withExtra<T extends PaymentRequirements | PaymentRequirements[]>(requirements: T, extra: Record<string, unknown>): T;

export { withExtra };