import { ComponentFactoryResolver, ViewContainerRef } from '@angular/core';
import { Injector } from '@angular/core';
export declare class NotificationService {
    private _cr;
    private injector;
    private colors;
    private cmp;
    private cmpRef;
    private default_vc;
    private _view;
    private tries;
    constructor(_cr: ComponentFactoryResolver, injector: Injector);
    view: ViewContainerRef;
    loadView(): void;
    add(msg: string, cssClass?: string, opts?: any): any;
    close(id: string): void;
    clear(): void;
    canClose(state: boolean, timeout?: number): void;
    private render(type);
}