import type { ApplyPromoCodeResponse } from './ApplyPromoCodeResponse.js';
type ApplyPromoNameSlice = Pick<ApplyPromoCodeResponse, 'eventName' | 'name' | 'nameLocales'>;
/**
 * Prefer client-side locale resolution when apply response includes nameLocales;
 * otherwise fall back to server-resolved `eventName`.
 */
export declare function resolveApplyPromoEventDisplayName(response: ApplyPromoNameSlice, locale: string): string;
/** Primary NameLocale tag for POST apply-code Accept-Language (matches backend `readApplyPromoUiLocale`). */
export declare function buildPromoApplyAcceptLanguage(language: string | undefined): string;
export {};
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