import { IThaiAddress } from '../constants/address';
/**
 * Lazy load Thai address data from JSON file
 * Data is cached after first load for subsequent calls
 */
export declare function loadThaiAddresses(): Promise<IThaiAddress[]>;
/**
 * Check if address data is already loaded
 */
export declare function isAddressDataLoaded(): boolean;
/**
 * Preload address data (optional, for better UX)
 */
export declare function preloadThaiAddresses(): void;
