import { MatDialog } from '@angular/material/dialog';
import { CanDeactivate } from '@angular/router';
import { Observable } from 'rxjs';
import { MtnaSaveableComponent } from './saveable-component.model';
import * as i0 from "@angular/core";
export declare class MtnaUnsavedChangesGuard implements CanDeactivate<MtnaSaveableComponent> {
    private dialog;
    constructor(dialog: MatDialog);
    canDeactivate(component: MtnaSaveableComponent): Observable<boolean> | Promise<boolean> | boolean;
    triggerDialog(component: MtnaSaveableComponent): Observable<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaUnsavedChangesGuard, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MtnaUnsavedChangesGuard>;
}