import { Account } from './types/Accounts';
import { TierType } from './types/TierType';
/**
 * Returns true if the given tier type can be subject to VAT
 */
export declare const isTierTypeSubjectToVAT: (tierType: TierType | `${TierType}`) => boolean;
/**
 * For a given tier type, this function returns the country that should be used
 * for calculating the percentage.
 */
export declare const getVatOriginCountry: (tierType: TierType | `${TierType}`, hostCountry: string | null, collectiveCountry: string | null) => string | null;
/**
 * Returns true if VAT is enabled for this account
 */
export declare const accountHasVAT: (account: Account | null, host: Account | null) => boolean;
declare enum AccountVATType {
    OWN = "OWN",
    HOST = "HOST"
}
export type VATSettings = {
    number?: string;
    type?: AccountVATType;
    disabled?: boolean;
};
export declare const getAccountVATType: (account: Account | null, host: Account | null) => AccountVATType | null;
/**
 * Returns true if VAT may apply.
 *
 * @param tierType - the tier type (eg. SUPPORT, TICKET...)
 * @param originCOuntry - two letters country where VAT is applied
 */
export declare const vatMayApply: (tierType: TierType | `${TierType}`, originCountry: string | null) => boolean;
/**
 * Get the base vat percentage for this host/collective/tier as a number between 0 and 100
 */
export declare const getStandardVatRate: (tierType: TierType | `${TierType}`, originCountry: string | null) => number;
/**
 * Calculates the vat rate.
 *
 * @param tierType - the tier type (eg. SUPPORT, TICKET...)
 * @param originCountry - two letters country where VAT is applied
 * @param userCountry - two letters country code of the payer
 * @param hasValidVatNumber - (optional) payer VAT identification number
 *
 * @returns {Number} `0` if no VAT applies or the percentage as a number between 0 and 100
 */
export declare const getVatPercentage: (tierType: TierType | `${TierType}`, originCountry: string | null, userCountry: string, hasValidVatNumber: boolean) => number;
/**
 * Check the formatof a VAT ID number.
 *
 * @param number: The VAT number to check
 * @param countryCode: Provide a country code if you want to check against a single country code
 * @returns {object}
 *    - value: Standardized number
 *    - isValid
 *    - country: { isoCode: { short } }
 */
export declare const checkVATNumberFormat: (number: string, countryCode?: string) => import("jsvat-next").VatCheckResult;
export {};