/**
 * @fileoverview Tests for API connections to verify API keys.
 *
 * This module provides tests to verify that the API keys provided in the
 * environment variables are valid and working correctly. It tests connections
 * to Google Gemini API, OpenRouter API, and Anthropic API.
 */
/**
 * Run API connection tests
 * @returns Promise that resolves when all tests are complete
 */
export declare function runApiConnectionTests(): Promise<void>;
export declare function testApiConnections(): void;