import { ZipCodeInfo, ZipLookupResult, StateResult, Coordinates } from "./types.js";
/**
 * Finds complete information for a ZIP code
 * @param zipCode 5-digit ZIP code to look up
 * @returns Object with location data and validity flag
 */
export declare function find(zipCode: string): ZipLookupResult;
/**
 * Finds state information for a ZIP code
 * @param zipCode 5-digit ZIP code to look up
 * @returns State name and code with validity flag
 */
export declare function findState(zipCode: string): StateResult;
/**
 * Finds city name for a ZIP code
 * @param zipCode 5-digit ZIP code to look up
 * @returns City name or empty string with validity flag
 */
export declare function findCity(zipCode: string): {
    city: string;
    isValid: boolean;
};
/**
 * Finds county name for a ZIP code
 * @param zipCode 5-digit ZIP code to look up
 * @returns County name or empty string with validity flag
 */
export declare function findCounty(zipCode: string): {
    county: string;
    isValid: boolean;
};
/**
 * Finds coordinates for a ZIP code
 * @param zipCode 5-digit ZIP code to look up
 * @returns Latitude and longitude with validity flag
 */
export declare function findCoordinates(zipCode: string): Coordinates;
/**
 * Finds all ZIP codes for a given city and state
 * @param city City name
 * @param stateCode Two-letter state code (e.g., "CA")
 * @returns Array of matching ZIP codes with their information
 */
export declare function findByCity(city: string, stateCode: string): ZipCodeInfo[];
/**
 * Find all ZIP codes in a given county
 * @param countyName County name
 * @param stateCode Two-letter state code
 * @returns Array of matching ZIP codes with their information
 */
export declare function findByCounty(countyName: string, stateCode: string): ZipCodeInfo[];
/**
 * Find ZIP codes within a radius of a given location
 * @param latitude Center point latitude
 * @param longitude Center point longitude
 * @param radiusMiles Radius in miles
 * @returns Array of ZIP codes within the radius, sorted by distance
 */
export declare function findByRadius(latitude: number, longitude: number, radiusMiles: number): ZipCodeInfo[];
/**
 * Returns all states with their codes and names
 * @returns Array of state objects with code and name
 */
export declare function getStates(): Array<{
    code: string;
    name: string;
}>;
export { ZipCodeInfo };
declare const zipcodesUs: {
    find: typeof find;
    findState: typeof findState;
    findCity: typeof findCity;
    findCounty: typeof findCounty;
    findCoordinates: typeof findCoordinates;
    findByCity: typeof findByCity;
    findByCounty: typeof findByCounty;
    findByRadius: typeof findByRadius;
    getStates: typeof getStates;
};
export default zipcodesUs;