import { ChangeDetectorRef, OnInit } from '@angular/core';
import { Question } from '../../../../classes';
import { Subscription } from 'rxjs';
export declare class QuestionSettingsComponent implements OnInit {
    private cdRef;
    question: Question;
    supportedTypes: string[];
    subscriptions: Subscription[];
    constructor(cdRef: ChangeDetectorRef);
    ngOnInit(): void;
    ngOnDestroy(): void;
    copy(): void;
    delete(): void;
}