import { CSSResult } from 'lit';
import { Control } from '../forms';
/**
 * @element nve-file
 * @description A file picker is a control that enables users to choose a file value.
 * @since 0.3.0
 * @entrypoint \@nvidia-elements/core/file
 * @cssprop --background
 * @cssprop --padding
 * @cssprop --border-radius
 * @cssprop --border
 * @cssprop --font-weight
 * @cssprop --font-size
 * @cssprop --text-decoration
 * @cssprop --cursor
 * @cssprop --gap
 * @cssprop --height
 * @aria https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file
 */
export declare class File extends Control {
    static styles: CSSResult[];
    static readonly metadata: {
        tag: string;
        version: string;
    };
    connectedCallback(): void;
}