import { type ApiResponse } from "./type";
export declare function getValidVoucherCode(voucherCode: Readonly<string>): string;
export declare function isValidThaiPhoneNumber(phoneNumber: Readonly<string>): boolean;
export declare function makeApiRequest(url: Readonly<string>, body: Readonly<{
    mobile: string;
    voucher_hash: string;
}>): Promise<Response>;
export declare function parseApiResponse(response: Readonly<Response>): Promise<ApiResponse>;