import { OnInit, ChangeDetectorRef } from '@angular/core';
import { ActivatedRoute } from '@angular/router';
import { Survey } from '../../classes';
import { FormGroup, FormControl } from '@angular/forms';
import { Subscription } from 'rxjs';
export declare class ViewComponent implements OnInit {
    private route;
    private cdRef;
    survey: Survey;
    replyFormGroup: FormGroup;
    open_at: FormControl;
    close_at: FormControl;
    subscriptions: Subscription;
    constructor(route: ActivatedRoute, cdRef: ChangeDetectorRef);
    ngOnInit(): void;
    loadInitialData(surveyData: any): void;
    ngOnDestroy(): void;
    addControls(): void;
    trackByIdFn(index: number, value: any): any;
}