/**
 * LLM Connection Tester for ralph-starter
 * Tests connections to various LLM providers
 */
import { type LLMProvider } from '../llm/index.js';
export interface LLMTestResult {
    success: boolean;
    provider?: LLMProvider | 'claude-code';
    responseTime?: number;
    error?: string;
    details?: string;
}
/**
 * Test direct API connection to an LLM provider
 */
export declare function testApiConnection(provider: LLMProvider, apiKey: string): Promise<LLMTestResult>;
/**
 * Test Claude Code CLI connection
 */
export declare function testClaudeCode(): Promise<LLMTestResult>;
/**
 * Test the best available LLM option
 * Priority: Claude Code CLI > API key > nothing
 */
export declare function testBestAvailable(options?: {
    provider?: LLMProvider;
    apiKey?: string;
}): Promise<LLMTestResult>;
/**
 * Get a human-readable description of the test result
 */
export declare function formatTestResult(result: LLMTestResult): string;
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