import type { BookletLocale } from './booklet-locale';
/** Locales whose PDF body text needs a Unicode-capable font (StandardFonts are Latin-1 only). */
export declare function localeNeedsUnicodePdfFont(locale?: BookletLocale): boolean;
/** Registers preloaded font bytes (host app explicit chunk import). */
export declare function registerBookletPdfFontBytes(locale: BookletLocale, bytes: Uint8Array): void;
/** Clears cached font bytes (tests / forced reload). */
export declare function clearBookletPdfFontCache(): void;
/**
 * Lazy-loads subset Noto font bytes for zh / ar / he (separate chunks, not in the main bundle).
 * Pass `override` to replace the built-in font.
 */
export declare function loadBookletPdfFontBytes(locale?: BookletLocale, override?: Uint8Array, contentText?: string): Promise<Uint8Array | undefined>;
/** Returns cached bundled font bytes when already loaded. */
export declare function bundledBookletPdfFontBytes(locale?: BookletLocale): Uint8Array | undefined;