import { OnChanges } from '@angular/core';
import { Observable } from 'rxjs';
import { CustomtextService } from '../customtext/customtext.service';
export declare class AlertComponent implements OnChanges {
    private cts;
    text: string;
    customtext: string;
    replacements: string[];
    level: 'error' | 'warning' | 'info' | 'success';
    icons: {
        error: string;
        warning: string;
        info: string;
        success: string;
    };
    get displayText$(): Observable<string>;
    private _displayText$;
    private customTextSubscription;
    constructor(cts: CustomtextService);
    ngOnChanges(): void;
    private subscribeCustomText;
    private unsubscribeCustomText;
    getCustomtext(): Observable<string>;
    private highlightTicks;
}