/**
 * Programmatically open a native file picker. Creates a hidden `<input type="file">`, awaits
 * the `change` event, and resolves with the selected files (or empty array on cancel).
 *
 * @example
 * ```ts
 * const files = await openFile({ multiple: true, accept: 'image/*' });
 * ```
 */
export declare const openFile: (opts?: {
    multiple?: boolean;
    accept?: string;
    capture?: "user" | "environment";
}) => Promise<File[]>;