import type { Languages, Themes } from '../grammars/index.ts';
export type ThemeName = Themes | (string & {});
export type ThemeOverride = {
    colors?: Record<string, string>;
    tokenColors?: any[];
    semanticTokenColors?: Record<string, any>;
    settings?: any[];
    type?: 'light' | 'dark';
    [key: string]: any;
};
export type ThemeValue = ThemeName | [ThemeName, ThemeOverride];
export type ThemeConfig = ThemeValue | Record<string, ThemeValue>;
export interface HighlighterInitializationOptions {
    theme?: ThemeConfig;
    languages?: Languages[];
}
export declare function getHighlighterThemeNames(themeConfig?: ThemeConfig): ThemeName[];