import { ElementRef, AfterViewChecked, OnDestroy } from '@angular/core';
import { TranslateService } from './translate.service';
import { Subscription } from 'rxjs';
import * as i0 from "@angular/core";
export declare class TranslateDirective implements AfterViewChecked, OnDestroy {
    private element;
    private translateService;
    key: string;
    lastParams?: any;
    currentParams?: any;
    onTranslationChange?: Subscription;
    set translate(key: string);
    set translateParams(params: any);
    constructor(element: ElementRef, translateService: TranslateService);
    ngAfterViewChecked(): void;
    ngOnDestroy(): void;
    checkNodes(forceUpdate?: boolean): void;
    private getKeyAndUpdateNode;
    updateValue(key: string, node: any): void;
    getContent(node: HTMLElement): string;
    setContent(node: HTMLElement, content: string): void;
    areEquals(obj1: any, obj2: any): boolean;
    private _cleanUpSubscriptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<TranslateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TranslateDirective, "[translate]", never, { "translate": { "alias": "translate"; "required": false; }; "translateParams": { "alias": "translateParams"; "required": false; }; }, {}, never, never, false, never>;
}