/**
 * Secure credential management using OS keychain
 * Legacy functions for backward compatibility
 */
/**
 * Get OpenAI API key from environment variable or keychain
 * Updated to use SecureAPIKeyManager
 */
export declare function getOpenAIApiKey(): Promise<string>;
/**
 * Remove stored API key from keychain
 * Updated to use SecureAPIKeyManager
 */
export declare function removeStoredApiKey(): Promise<boolean>;
/**
 * Check if API key is stored in keychain
 * Updated to use SecureAPIKeyManager
 */
export declare function hasStoredApiKey(): Promise<boolean>;
//# sourceMappingURL=credentials.d.ts.map