import { D as DeroChainId } from './types-Bsy2LUTI.js';
import { I as InvoiceEngine } from './invoice-engine-CfV5UZLo.js';

type X402PaymentPolicy = {
    name: string;
    amountAtomic: bigint;
    description?: string;
    ttlSeconds?: number;
    requiredConfirmations?: number;
    metadata?: Record<string, unknown>;
    resource?: string;
    network?: DeroChainId;
    maxReceiptsPerDay?: number;
    maxAtomicPerWindow?: {
        amountAtomic: bigint;
        windowSeconds: number;
    };
};
type X402PolicyResolver = (request: Request) => X402PaymentPolicy | Promise<X402PaymentPolicy>;
type X402RouteGuardConfig = {
    getEngine: () => Promise<InvoiceEngine>;
    receiptSecret?: string;
    receiptSecrets?: Record<string, string>;
    policy: X402PaymentPolicy | X402PolicyResolver;
    receiptHeaderName?: string;
    enforceSingleUseReceipts?: boolean;
    protocolId?: string;
};
type X402ChallengeResponse = {
    error: "payment_required";
    payment: {
        protocol: string;
        network: DeroChainId;
        asset: "DERO";
        amountAtomic: string;
        amountDisplay: string;
        invoiceId: string;
        integratedAddress: string;
        expiresAt: string;
        requiredConfirmations: number;
        resource: string;
    };
};
declare function createX402RouteGuard(config: X402RouteGuardConfig): (handler: (request: Request) => Promise<Response> | Response) => (request: Request) => Promise<Response>;

export { type X402ChallengeResponse as X, type X402PaymentPolicy as a, type X402PolicyResolver as b, type X402RouteGuardConfig as c, createX402RouteGuard as d };