import { OnInit, OnDestroy } from '@angular/core';
import { MatButtonToggleChange } from '@angular/material/button-toggle';
import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser';
import { IpUserMiddlewaresService } from '../services/user-middleware-service/ip-middlewares.service';
export declare type TPreviewDevice = 'desktop' | 'smartphone' | 'tablet';
export declare class PreviewTemplateComponent implements OnInit, OnDestroy {
    private middlewares;
    private sanitizer;
    template: string;
    private src;
    private device;
    templateSrc: SafeResourceUrl;
    constructor(middlewares: IpUserMiddlewaresService, sanitizer: DomSanitizer);
    changeDevice(button: MatButtonToggleChange): import("rxjs").Subscription;
    getFlexWidth(): string;
    ngOnInit(): void;
    ngOnDestroy(): void;
}