import { type PptxUsedFont } from './pptxImportFonts';
export { normalizePptxUsedFonts, pptxUsedFontName, registerEmbeddedFonts, splitImportedFontFace } from './pptxImportFonts';
export type { NormalizedPptxFont, PptxUsedFont, PptxUsedFontObject } from './pptxImportFonts';
export declare const isSystemFont: (font: string) => boolean;
/**
 * Collect every font family a deck references: inline `font-family` styles in
 * text/table HTML content plus explicit font props (`defaultFontName`, table
 * `fontname`, theme `fontName`). Feed the result to {@link loadGoogleFonts}
 * whenever a whole document is applied — importing a .pptx is not the only
 * entry point (hosts set persisted documents directly), and a persisted deck
 * re-opened later must load its webfonts again.
 */
export declare const collectSlidesFonts: (slides: unknown) => string[];
export declare const loadGoogleFonts: (usedFonts?: readonly unknown[] | PptxUsedFont[]) => void;