import { TemplateRef, ViewContainerRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class CharacterCountdownDirective {
    private readonly viewContainerRef;
    private readonly templateRef;
    set maxlength(value: number | undefined);
    set currentLength(value: number);
    private _maxlength;
    private _currentLength;
    private isViewCreated;
    private context;
    constructor(viewContainerRef: ViewContainerRef, templateRef: TemplateRef<any>);
    updateContext(): void;
    calculateCharactersLeft: (max: number, current: number) => number;
    static ɵfac: i0.ɵɵFactoryDeclaration<CharacterCountdownDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<CharacterCountdownDirective, "[nggvCharacterCountdown]", never, { "maxlength": { "alias": "nggvCharacterCountdown"; "required": false; }; "currentLength": { "alias": "nggvCharacterCountdownCurrentLength"; "required": false; }; }, {}, never, never, false, never>;
}