import { OnInit } from '@angular/core';
export declare class NgxFiledropperComponent implements OnInit {
    constructor();
    ngOnInit(): void;
    currentFiles: Array<File>;
    thumbnails: any[];
    dropzoneInvalid: boolean;
    allowedExtensions: Array<string>;
    private pdfLogo;
    allowedDocExtenstions: string[];
    allowedImageExtensions: string[];
    onFilesChange(file: File): void;
    deleteFile(i: number): void;
    dropzoneTempInvalid(): void;
    readFile(file: File, reader: FileReader, callback: any): void;
    parsePdf(file: File): void;
    buildThumbnail(file: File): void;
    resize(img: any, MAX_WIDTH: number, MAX_HEIGHT: number, callback: any): () => void;
}