import { Address } from "viem";
import { PaymentRequirements, UnsignedPaymentPayload } from "../types/verify/index.js";
/**
 * Prepares a payment header with the given sender address and payment requirements.
 *
 * @param from - The sender's address from which the payment will be made
 * @param x402Version - The version of the X402 protocol to use
 * @param paymentRequirements - The payment requirements containing scheme and network information
 * @returns An unsigned payment payload that can be used to create a payment header
 */
export declare function preparePaymentHeader(from: Address, x402Version: number, paymentRequirements: PaymentRequirements): UnsignedPaymentPayload;
//# sourceMappingURL=preparePaymentHeader.d.ts.map