/// <reference types="node" />
/// <reference types="node" />
import { Order } from "@medusajs/medusa";
import { Invoice } from "../../../../models/invoice";
import { DocumentSettings } from "../../../../models/document-settings";
export declare function validateInput(settings?: DocumentSettings): ([boolean, string]);
declare const _default: (settings: DocumentSettings, invoice: Invoice, order: Order) => Promise<Buffer>;
export default _default;