@nacelle/compatibility-connector/dist/types/utils/toIetfLocale.d.ts

Connect @nacelle/client-js-sdk to Nacelle's v2 back end with minimal code changes

/**
 * @param inputLocale A dash-delimited language-region pair
 * @returns an IETF language tag
 */
export declare function toIetfLocale(inputLocale?: string, defaultLocale?: string): string;