import { type SettlementInfo } from "./protocol/Settlement.js";
export default interface UmaInvoiceCreator {
    /**
     * Creates an invoice with the given amount and encoded LNURL metadata.
     *
     * @param amountMsats The amount of the invoice in millisatoshis.
     * @param metadata The metadata that will be added to the invoice's metadata hash field.
     * @param receiverIdentifier The receiver's UMA address.
     * @return The encoded BOLT-11 invoice that should be returned to the sender for the given `PayRequest`.
     */
    createUmaInvoice: (amountMsats: number, metadata: string, receiverIdentifier: string | undefined) => Promise<string | undefined>;
    /**
     * Creates a payment request with settlement-agnostic parameters.
     *
     * @param amountUnits Amount in the smallest unit of the settlement asset.
     * @param metadata Metadata to include.
     * @param receiverIdentifier Receiver's UMA address.
     * @param settlementInfo Settlement info including the layer and asset chosen by the sender.
     * @return Payment request string.
     */
    createInvoiceForSettlementLayer?: (amountUnits: number, metadata: string, receiverIdentifier: string | undefined, settlementInfo: SettlementInfo | undefined) => Promise<string | undefined>;
}
export declare function createInvoiceWithSettlement(creator: UmaInvoiceCreator, amountUnits: number, metadata: string, receiverIdentifier: string | undefined, settlementInfo: SettlementInfo | undefined): Promise<string | undefined>;