import { Requirement } from "@siteimprove/alfa-act";
/**
 * @public
 */
export declare class ARIA extends Requirement<"ARIA"> {
    static of(uri: string): ARIA;
    protected constructor(uri: string);
    toJSON(): ARIA.JSON;
}
/**
 * @public
 */
export declare namespace ARIA {
    interface JSON extends Requirement.JSON<"ARIA"> {
    }
    function isARIA(value: unknown): value is ARIA;
}
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