interface Wallet {
    payInvoice(args: {
        invoice: string;
    }): Promise<{
        preimage: string;
    }>;
}

/**
 * Fetch a resource protected by the draft-lightning-charge-00 payment
 * authentication protocol.
 *
 * On a `402 Payment Required` response that carries a
 * `WWW-Authenticate: Payment method="lightning" intent="charge" …` header
 * the function pays the embedded BOLT11 invoice and retries with the
 * resulting preimage as the credential.
 *
 * Note: lightning-charge uses consume-once challenge semantics – each
 * challenge embeds a fresh invoice, so paid credentials cannot be reused.
 * The `store` option is accepted for API consistency but is not used.
 */
declare const fetchWithMpp: (url: string, fetchArgs: RequestInit, options: {
    wallet: Wallet;
}) => Promise<Response>;

export { fetchWithMpp };