import { EventEmitter } from '@angular/core';
import { ButtonComponent } from './button.component';
export declare class FileObject {
    filesize: string;
    filetype: string;
    filename: string;
    base64: string;
}
export declare class ButtonFileOpenerComponent extends ButtonComponent {
    extensions: string;
    convertToBase64: boolean;
    fileUpload: EventEmitter<any>;
    true: any;
    fileUploaded: (file: any) => void;
}