import { type CodeLanguageId, type CodeThemeId } from '../configs/code';
type HighlighterCore = {
    loadLanguage: (...langs: unknown[]) => Promise<void>;
    loadTheme: (...themes: unknown[]) => Promise<void>;
    getLoadedLanguages: () => string[];
    getLoadedThemes: () => string[];
    getLanguage: (...args: unknown[]) => unknown;
    setTheme: (...args: unknown[]) => unknown;
    codeToHtml: (code: string, options: {
        lang: string;
        theme: string;
        structure?: 'classic' | 'inline';
    }) => string;
    codeToTokens: (code: string, options: {
        lang: string;
        theme: string;
    }) => {
        tokens: Array<Array<{
            content: string;
            offset: number;
            color?: string;
            bgColor?: string;
            fontStyle?: number;
        }>>;
        fg?: string;
        bg?: string;
    };
    getTheme: (theme: string) => {
        bg: string;
        fg: string;
    };
};
export interface HighlightedCode {
    html: string;
    bg: string;
    fg: string;
    language: CodeLanguageId;
    theme: CodeThemeId;
}
export declare function getHighlighter(): Promise<HighlighterCore>;
/** Inner Shiki HTML with token spans + `\n` text nodes, no `.line` / `<br>`. */
export declare function toEditorHighlightHtml(shikiHtml: string, code: string): string;
export type HighlightedToken = {
    content: string;
    color?: string;
};
export type HighlightedTokens = {
    lines: HighlightedToken[][];
    bg: string;
    fg: string;
    language: CodeLanguageId;
    theme: CodeThemeId;
};
export declare function highlightCodeTokens(code: string, language: string, theme: string): Promise<HighlightedTokens>;
export declare function highlightCodeBlock(code: string, language: string, theme: string): Promise<HighlightedCode>;
/** Warm Shiki + SnapDOM so the first on-slide raster is not a cold start. */
export declare function prefetchCodeRaster(language?: string, theme?: string): void;
/** Load core + lang + theme. Safe to call before CodeMirror/Shiki highlighting. */
export declare function prepareHighlighter(language: string, theme: string): Promise<{
    bg: string;
    fg: string;
    language: "bash" | "cpp" | "csharp" | "css" | "go" | "html" | "java" | "javascript" | "json" | "kotlin" | "markdown" | "php" | "plaintext" | "python" | "ruby" | "rust" | "sql" | "swift" | "typescript" | "vue" | "xml" | "yaml";
    theme: "andromeeda" | "aurora-x" | "ayu-dark" | "ayu-mirage" | "catppuccin-frappe" | "catppuccin-latte" | "catppuccin-macchiato" | "catppuccin-mocha" | "dracula" | "github-dark" | "github-light" | "horizon" | "houston" | "kanagawa-wave" | "laserwave" | "material-theme-ocean" | "material-theme-palenight" | "min-dark" | "min-light" | "monokai" | "night-owl" | "nord" | "one-dark-pro" | "one-light" | "plastic" | "poimandres" | "rose-pine" | "rose-pine-moon" | "synthwave-84" | "tokyo-night" | "vesper" | "vitesse-dark" | "vitesse-light";
}>;
/**
 * Sync inner HTML for tests / non-editor consumers. Call `prepareHighlighter`
 * first. Uses `structure: 'inline'` so the result round-trips through text.
 */
export declare function highlightEditorHtml(code: string, language: string, theme: string): string;
export type CodeRasterInput = {
    code: string;
    language: string;
    theme: string;
    fontSize: number;
    showLineNumbers: boolean;
};
/** Real gutter spans so SnapDOM does not depend on CSS counters. */
export declare function injectBoothLineNumbers(shikiHtml: string, showLineNumbers: boolean): string;
export declare function codeElementToBoothHtml(el: CodeRasterInput): Promise<string>;
export declare function renderCodeElementPng(el: CodeRasterInput & {
    width: number;
    height: number;
}): Promise<string>;
export {};