import { languages } from './grammars';
import { themes } from './themes';
import type { CacheEntry, FastTokenLine, Language, Plugin, RenderedCode, RenderOptions, SyntaxHighlighterConfig, Theme,  } from './types';
/**
 * Create a new highlighter instance
 */
export declare function createHighlighter(config?: Partial<SyntaxHighlighterConfig>): Promise<Highlighter>;
export declare class Highlighter implements IHighlighter {
  private config: SyntaxHighlighterConfig;
  private languages: Map<string, Language>;
  private themes: Map<string, Theme>;
  private cache: Map<string, CacheEntry>;
  private plugins: Plugin[];
  constructor(config: SyntaxHighlighterConfig);
  private initializeDefaults(): void;
  private loadPlugin(plugin: Plugin): Promise<void>;
  highlightSync(code: string, lang: string, options?: RenderOptions): RenderedCode;
  highlight(code: string, lang: string, options?: RenderOptions): Promise<RenderedCode>;
  highlightFast(code: string, lang: string): FastTokenLine[];
  loadLanguage(language: Language): Promise<void>;
  loadTheme(theme: Theme): Promise<void>;
  getSupportedLanguages(): string[];
  getSupportedThemes(): string[];
  private getLanguageById(id: string): Language | undefined;
  private resolveTheme(themeOption?: string | Theme): Theme;
  private getCacheKey(code: string, lang: string, options: RenderOptions): string;
  private hashCode(str: string): string;
  clearCache(): void;
  getCacheSize(): number;
}