export declare type IUSAZipCode = string; export declare type IUSAZipCodeRange = [IUSAZipCode, IUSAZipCode]; export interface IUSAStateArea { year: number; value: number; } export interface IUSAStatePopulation { year: number; count: number; } export interface IUSAState { name: string; abbreviation: string; territory: boolean; capital: string; contiguous: boolean; zipCodes?: IUSAZipCodeRange[]; area?: IUSAStateArea; population?: IUSAStatePopulation; counties?: string[]; } export interface IUSACity { name: string; state: string; }