import { Subject } from "rxjs";
import { IPizzagnaLayer } from "../../types";
import * as i0 from "@angular/core";
export declare class PreviewService {
    private _preview;
    get preview(): IPizzagnaLayer;
    set preview(value: IPizzagnaLayer);
    previewChanged: Subject<IPizzagnaLayer>;
    static ɵfac: i0.ɵɵFactoryDeclaration<PreviewService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PreviewService>;
}