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 { OcrService } from '../ocr.service';
import { ScrollService } from '../scroll.service';
export declare class OcrImageUploadQuestionComponent extends QuestionComponent implements OnInit {
    private spinnerService;
    private imageService;
    private imageAssetFactory;
    private ocrService;
    private scrollService;
    form: any;
    question: any;
    input: any;
    type: string;
    images: ImageAsset[];
    imageAssetType: typeof ImageAssetType;
    constructor(spinnerService: NgxSpinnerService, imageService: ImageManipulationService, imageAssetFactory: ImageAssetFactory, ocrService: OcrService, scrollService: ScrollService);
    ngOnInit(): void;
    readonly isInvalid: any;
    readonly show: boolean;
    clickFile(): void;
    setFromOcr(event: any): Promise<void>;
    private filterResults;
    /**
     * Attempt to find the index of the first pattern in the results then try to match the subsequent
     * results against the subsequent patterns.
     * @returns TextDetection | null
     * @param results
     * @param regex
     */
    private splitFilter;
    private standardFilter;
    private patchOcrTarget;
    private clearOcrTarget;
    resetFileInput(): void;
}