import type { JSX } from "react";
/**
 * Render `ui` and assert `axe` reports zero violations against the resulting
 * subtree. Use inside `it("has no a11y violations", async () => { ... })`.
 *
 * The default ruleset is axe-core's WCAG 2.1 AA + best-practice tags.
 *
 * Example:
 *   it("has no a11y violations", async () => {
 *     await expectNoA11yViolations(<Button>Deploy</Button>);
 *   });
 */
export declare function expectNoA11yViolations(ui: JSX.Element): Promise<void>;