import { EventEmitter, NgZone, OnInit } from '@angular/core'; import { FormBuilder, FormGroup } from '@angular/forms'; import { Contact } from '../../interfaces'; export declare class ContactFormComponent implements OnInit { private zone; private formBuilder; backUrl: string[]; model: Contact; save: EventEmitter; form: FormGroup; formErrors: any; private readonly errors; constructor(zone: NgZone, formBuilder: FormBuilder); ngOnInit(): void; createForm(): void; onValueChanged(): void; onSubmit(): void; }