declare module "js-locations" {
  export interface Country {
    id: number;
    name: string;
    iso2: string;
    phone_code: string;
    currency: string;
    currency_symbol: string;
    state: String[];
  }

  export interface State {
    id: number;
    name: string;
    cities: City[];
  }

  export interface City {
    id: number;
    name: string;
  }

  export function getAllCountries(): Country[];
  export function getCountryByName(name: string): Country | null;
  export function getStatesByCountry(countryName: string): State[] | null;
  export function getCitiesByState(
    countryName: string,
    stateName: string
  ): City[] | null;
  export function getPhoneCodeByCountry(countryName: string): string | null;
  export function getCurrencySymbolByCountry(
    countryName: string
  ): string | null;
}