import * as _angular_core from '@angular/core';
import { OnDestroy, InjectionToken, EnvironmentProviders } from '@angular/core';
import { HLJSOptions } from 'highlight.js';

declare class HighlightJsDirective implements OnDestroy {
    private readonly cog;
    readonly options: _angular_core.InputSignal<Partial<HLJSOptions>>;
    readonly lang: _angular_core.InputSignal<string>;
    readonly code: _angular_core.ModelSignal<string | undefined>;
    readonly mode: _angular_core.InputSignal<"default" | "simple">;
    protected codeEl?: HTMLElement;
    protected parentEl?: HTMLElement;
    private observer?;
    private readonly el;
    private readonly ngModel;
    private readonly doc;
    constructor();
    private escapeHTML;
    private init;
    private destroy;
    ngOnDestroy(): void;
    private initMutation;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<HighlightJsDirective, never>;
    static ɵdir: _angular_core.ɵɵDirectiveDeclaration<HighlightJsDirective, "[highlight-js]", ["highlightJs"], { "options": { "alias": "options"; "required": false; "isSignal": true; }; "lang": { "alias": "lang"; "required": false; "isSignal": true; }; "code": { "alias": "code"; "required": false; "isSignal": true; }; "mode": { "alias": "mode"; "required": false; "isSignal": true; }; }, { "code": "codeChange"; }, never, never, true, never>;
}

interface HighlightJsConfig {
    /**
     * Specify rendering mode
     * - `default` Will render each `<pre><code>`
     * - `simple` Render all content according to `lang` language
     */
    mode?: 'default' | 'simple';
    /**
     * Uses language detection by default but you can specify the language
     */
    lang?: string;
    /**
     * Equar [configure(options)](https://highlightjs.readthedocs.io/en/latest/api.html#configure)
     */
    options?: Partial<HLJSOptions>;
}
declare const HIGHLIGHTJS_CONFIG: InjectionToken<HighlightJsConfig>;
declare function provideHighlightJsConfig(options: Partial<HighlightJsConfig>): EnvironmentProviders;

export { HIGHLIGHTJS_CONFIG, HighlightJsDirective, provideHighlightJsConfig };
export type { HighlightJsConfig };