ng-pop-alert/src/app/ng-pop-alert/validation-error.service.d.ts

This is an angular Notification or Alert . it help you to notify messages to users of your application in every state it is required.

import { SafeHtml } from '@angular/platform-browser';
export declare class ValidationErrorService {
    constructor();
    /**
     * This is used to compose validation messages
     * @param validationObj
     * @param message
     * @returns {string}
     */
    message(validationObj: any, message?: SafeHtml | string): string | SafeHtml;
    private processObj(data);
    private processArray(dataObj);
}