import { OnInit } from '@angular/core';
import { QuestionComponent } from '../question.component';
import { ImageManipulationService } from '../image-manipulation.service';
import { ImageAsset, ImageAssetFactory, ImageAssetType } from '../../domain/card';
import { NgxSpinnerService } from 'ngx-spinner';
import { ScrollService } from '../scroll.service';
import { FormGroup } from '@angular/forms';
export declare class MultiImageUploadQuestionComponent extends QuestionComponent implements OnInit {
    private spinnerService;
    private imageService;
    private imageAssetFactory;
    private scrollService;
    form: FormGroup;
    question: any;
    input: any;
    type: string;
    images: ImageAsset[];
    imageAssetType: typeof ImageAssetType;
    constructor(spinnerService: NgxSpinnerService, imageService: ImageManipulationService, imageAssetFactory: ImageAssetFactory, scrollService: ScrollService);
    ngOnInit(): void;
    readonly isInvalid: boolean;
    readonly show: boolean;
    readonly hasUploadedImages: number;
    clearImage(index: number): void;
    clickFile(questionKey: any): void;
    setFromImage(event: any): Promise<void>;
}