/**
 * Extract country code from region string for flag display.
 * @param region - Region string (e.g., 'us-east-1', 'eu-west-1')
 * @returns Country code for flag display (e.g., 'us', 'de', 'ie')
 *
 * @example
 * getCountryCodeFromRegion('us-east-1') // 'us'
 * getCountryCodeFromRegion('eu-west-1') // 'ie'
 * getCountryCodeFromRegion('ap-northeast-1') // 'jp'
 */
export declare const getCountryCodeFromRegion: (region?: string) => string;