import { HighlighterGeneric } from '@shikijs/core/types';
import { ThemeInput } from 'shiki';
import * as i0 from "@angular/core";
export interface NgDocHighlighterConfig {
    /**
     * Themes sources.
     */
    themes?: ThemeInput[];
    /**
     * Theme that will be used for rendering the code blocks.
     */
    theme?: {
        light: string;
        dark: string;
    };
}
export declare class NgDocHighlighterService {
    highlighter?: HighlighterGeneric<string, string>;
    protected readonly theme: import("@ng-doc/app/tokens").NgDocShikiTheme;
    initialize(config?: NgDocHighlighterConfig): Promise<void>;
    highlight(code: string): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgDocHighlighterService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgDocHighlighterService>;
}