/**
 * ISO-3166 country codes → Natural Earth `name` labels the map-chart join indexes.
 * CSV geo columns are often `FR` / `FRA`; choropleth chat rows join on `France`.
 * Tables are sliced from the same `country.json` catalog the join uses.
 */
/** Map `FR` / `FRA` / `France` onto the Natural Earth name the choropleth joins. */
export declare function countryJoinLabel(raw: string): string;