@eristack/iso-3166/dist/core/subdivision.d.ts

ISO 3166-1 country codes and ISO 3166-2 subdivision normalization — assigned alpha-2/alpha-3 registry

import type { SubdivisionCode } from "./types.js";
/**
 * Normalize ISO 3166-2 subdivision id (`US-CA`, `ID-JK`).
 * Validates format and matching country prefix — not full subdivision registry membership.
 */
export declare function normalizeSubdivisionCode(countryAlpha2: string, subdivision: string): SubdivisionCode;
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