import { IExecuteFunctions, IDataObject } from 'n8n-workflow';
export declare function validateSalesOrderId(this: IExecuteFunctions, salesOrderId: string): Promise<{
    isValid: boolean;
    salesOrder?: any;
    reason?: string;
}>;
export declare function createInstantInvoiceFromSalesOrder(this: IExecuteFunctions, salesOrderId: string, additionalFields?: IDataObject): Promise<any>;
export declare function normalizeInvoiceResponse(invoiceData: any): any;
export declare function validateInvoiceCreationParams(params: IDataObject): void;
//# sourceMappingURL=InvoiceUtils.d.ts.map