import { ChangeDetectorRef, OnDestroy, PipeTransform } from '@angular/core';
import { TranslateService } from './translate.service';
import { Subscription } from 'rxjs';
import * as i0 from "@angular/core";
export declare class TranslatePipe implements PipeTransform, OnDestroy {
    private translateService;
    private cdr;
    lastKey?: string;
    lastParams?: string;
    value: string | undefined;
    onTranslationChange?: Subscription;
    constructor(translateService: TranslateService, cdr: ChangeDetectorRef);
    ngOnDestroy(): void;
    transform(key?: string, args?: any): string;
    private updateValue;
    private _cleanUpSubscriptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<TranslatePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<TranslatePipe, "translate", false>;
}