import { Currency, RevenuePeriod } from '@vendasta/sales-orders';
import { BillingFrequency } from '@vendasta/core/shared';
export declare function convertSalesOrderCurrencyToString(currency: Currency): string;
export declare function getPeriodTranslationKey(period: RevenuePeriod): string;
export declare function salesOrderPeriodToBillingFrequency(period: RevenuePeriod): BillingFrequency;