/**
 * Test-connection probe for Brave Search API.
 *
 * Stub-quality: structure + return shape only. A production probe would
 * call https://api.search.brave.com/res/v1/web/search?q=test with the key
 * and surface 200 vs 401 vs 429.
 */
import type { TestResult } from './anthropic.js';
export declare function probeBrave(apiKey: string): Promise<TestResult>;
