import { Rule } from "@siteimprove/alfa-act";
import { Element } from "@siteimprove/alfa-dom";
import { Err, Ok } from "@siteimprove/alfa-result";
import type { Page } from "@siteimprove/alfa-web";
import { WithBadElements } from "../common/diagnostic/with-bad-elements.ts";
declare const _default: Rule.Atomic<Page, Element<string>, {}, Element<string>>;
export default _default;
/**
 * @public
 */
export declare namespace Outcomes {
    const IsTabbable: (tabbables: Iterable<Element>) => Ok<WithBadElements>;
    const IsNotTabbable: (tabbables: Iterable<Element>) => Err<WithBadElements>;
}
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