import { ElementRef } from '@angular/core';
import { Destroyable } from '@ts-core/common';
import { LanguageService } from '@ts-core/frontend/language';
export declare class LanguageDirective extends Destroyable {
    protected element: ElementRef;
    protected language: LanguageService;
    isNeedTitle: boolean;
    protected _key: string;
    protected _params: any;
    constructor(element: ElementRef, language: LanguageService);
    protected translate(): void;
    destroy(): void;
    set key(value: string);
    get key(): string;
    set params(value: any);
    get params(): any;
}