import { OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class PreviewFileUploadComponent implements OnInit {
    question: any;
    constructor();
    fileNamePlaceholder: string;
    ngOnInit(): void;
    handleFile(evt: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PreviewFileUploadComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PreviewFileUploadComponent, "app-preview-file-upload", never, { "question": { "alias": "question"; "required": false; }; }, {}, never, never, false, never>;
}