import * as z from "zod/v4-mini";
export type UpdateInvoiceRequest = {
    /**
     * When true, recalculates discount from existing coupon associations (draft invoices only).
     */
    applyDiscount?: boolean | undefined;
    dueDate?: Date | undefined;
    /**
     * invoice_pdf_url is the URL where customers can download the PDF version of this invoice
     */
    invoicePdfUrl?: string | undefined;
    metadata?: {
        [k: string]: string;
    } | undefined;
};
/** @internal */
export type UpdateInvoiceRequest$Outbound = {
    apply_discount?: boolean | undefined;
    due_date?: string | undefined;
    invoice_pdf_url?: string | undefined;
    metadata?: {
        [k: string]: string;
    } | undefined;
};
/** @internal */
export declare const UpdateInvoiceRequest$outboundSchema: z.ZodMiniType<UpdateInvoiceRequest$Outbound, UpdateInvoiceRequest>;
export declare function updateInvoiceRequestToJSON(updateInvoiceRequest: UpdateInvoiceRequest): string;
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