import { InputSignalWithTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class HighlightLineNumbers {
    private readonly options;
    private readonly _hljs;
    private readonly _highlight;
    private readonly _nativeElement;
    private _lineNumbersObs;
    readonly startFrom: InputSignalWithTransform<number, unknown>;
    readonly singleLine: InputSignalWithTransform<boolean, unknown>;
    constructor();
    private addLineNumbers;
    private destroyLineNumbersObserver;
    static ɵfac: i0.ɵɵFactoryDeclaration<HighlightLineNumbers, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<HighlightLineNumbers, "[highlight][lineNumbers], [highlightAuto][lineNumbers]", never, { "startFrom": { "alias": "startFrom"; "required": false; "isSignal": true; }; "singleLine": { "alias": "singleLine"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}