/**
 * @fileoverview Source-compatible country and region code shapes.
 * @module src/services/airport-data/facet-codes
 */
/** Two-letter country codes, including OurAirports-specific entries. */
export declare const COUNTRY_CODE_PATTERN: RegExp;
/** One or two region segments; membership comes from regions.csv, not its prefix. */
export declare const REGION_CODE_PATTERN: RegExp;
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