import { EventGS } from '../core/EventsGS';
import { InputGS } from './InputGS';
export declare class InputFilesGS extends InputGS {
    static ForHTMLElement(el: HTMLElement): boolean;
    private readonly _onFilesSelectedToken;
    readonly onFilesSelected: EventGS<File[]>;
    constructor(el: HTMLInputElement | string);
    /** Opens the native file-selection dialog. */
    open(): void;
    /** Returns a snapshot of the files currently selected by the user. */
    get files(): File[];
    /** Clears the current selection. Browsers do not allow restoring it programmatically. */
    clear(): void;
    private onChangeHandler;
}