import { ElementRef, EventEmitter, OnDestroy, OnInit } from '@angular/core';
import { Observable, Subscription } from 'rxjs';
import { AlertOptions } from './alert.model';
import * as i0 from "@angular/core";
/**
 * Alert component
 */
export declare class AlertComponent implements OnInit, OnDestroy {
    private elementRef;
    index: number;
    options: AlertOptions;
    closed: EventEmitter<any>;
    action: EventEmitter<any>;
    state: any;
    sub: Subscription;
    closeTimer: Observable<any>;
    isPurging: boolean;
    constructor(elementRef: ElementRef);
    close(action?: boolean): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AlertComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AlertComponent, "sdk-alert", never, { "index": "index"; "options": "options"; }, { "closed": "closed"; "action": "action"; }, never, never, false>;
}