import { Diagnostic, Rule } from "@siteimprove/alfa-act";
import { type Element } from "@siteimprove/alfa-dom";
import { Err, Ok } from "@siteimprove/alfa-result";
import type { Page } from "@siteimprove/alfa-web";
import { Question } from "../common/act/index.ts";
/**
 * This rule always asks Whether the heading is descriptive. This
 * is not a nice experience for the end user and shouldn't be used until
 * backend can automatically determine the answer.
 */
declare const _default: Rule.Atomic<Page, Element<string>, Question.Metadata, Element<string>>;
export default _default;
/**
 * @public
 */
export declare namespace Outcomes {
    const HeadingIsDescriptive: Ok<Diagnostic>;
    const HeadingIsNotDescriptive: Err<Diagnostic>;
}
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