import { SelectOption } from '@ieeesa-npm/models';
import { Timezone } from 'countries-and-timezones';
import * as i0 from "@angular/core";
/**
 * Utility service to handle countries and time zones.
 * @export
 * @class CountryAndTimezoneService
 */
export declare class CountryAndTimezoneService {
    /**
     * Returns all the countries
     * @return {SelectOption[]}
     * @memberof CountryService
     */
    getAllCountries(): SelectOption[];
    /**
     * Returns all the timezones
     * @return {Timezone[]}
     * @memberof CountryService
     */
    getAllTimezones(): Timezone[];
    /**
     * Filters the timezone with UTC offsets and returns the timezone options as SelectOption[].
     * The `id` retains the raw IANA identifier (e.g. `America/New_York`) so that saved values
     * and edit prefill matching by id continue to work. The display `name` replaces underscores
     * with spaces so options read naturally (e.g. `(UTC-05:00) America/New York`).
     * @return {SelectOption[]}
     * @memberof CountryAndTimezoneService
     */
    getUTCTimezoneOptions(): SelectOption[];
    static ɵfac: i0.ɵɵFactoryDeclaration<CountryAndTimezoneService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CountryAndTimezoneService>;
}