import { OnInit, ChangeDetectorRef } from '@angular/core';
import { Subscription } from 'rxjs';
import { Survey, RepliesFilter, RepliesOrder, Question } from '../../../../classes';
import { RepliesService } from '../../../../services';
export declare class HeaderRowComponent implements OnInit {
    private repliesService;
    private cdRef;
    survey: Survey;
    subscriptions: Subscription[];
    filter: RepliesFilter;
    order: RepliesOrder;
    constructor(repliesService: RepliesService, cdRef: ChangeDetectorRef);
    ngOnInit(): void;
    ngOnDestroy(): void;
    orderBy(type: any): void;
    isFilterOn(question: Question): boolean;
}