/**
 * @license
 * Copyright 2025 OSAgent OC
 * SPDX-License-Identifier: Apache-2.0
 */
import type OpenAI from 'openai';
import { AuthType } from './contentGenerator.js';
/**
 * Get help text for a specific auth type
 */
export declare function getProviderHelpText(authType: AuthType): string;
/**
 * Validate credentials by making a lightweight API call.
 * Uses the models.list() endpoint which is supported by most OpenAI-compatible APIs.
 *
 * @param client - OpenAI client instance
 * @param authType - The authentication type for error messages
 * @param timeout - Timeout in milliseconds (default 5000)
 * @throws CredentialValidationError if validation fails
 */
export declare function validateOpenAICredentials(client: OpenAI, authType: AuthType, timeout?: number): Promise<void>;
/**
 * Validate Ollama Cloud credentials
 */
export declare function validateOllamaCloudCredentials(apiKey: string, timeout?: number): Promise<void>;
/**
 * Validate Ollama Local by checking if server is running
 */
export declare function validateOllamaLocalCredentials(baseUrl: string, timeout?: number): Promise<void>;
/**
 * Validate GROQ credentials
 */
export declare function validateGroqCredentials(apiKey: string, timeout?: number): Promise<void>;