import { ElementRef, OnDestroy, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DiscardDirective implements OnInit, OnDestroy {
    private host;
    private strings;
    private alertElement;
    private smeDiscardId;
    private observer;
    private isAlerting;
    constructor(host: ElementRef);
    ngOnInit(): void;
    ngOnDestroy(): void;
    private alertDiscarded;
    private createAlertElement;
    private removeAlertElement;
    static ɵfac: i0.ɵɵFactoryDeclaration<DiscardDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DiscardDirective, "[smeDiscard]", never, {}, {}, never, never, false, never>;
}