/**
 * Credential Detection Service
 * Detects existing AI provider credentials from various sources on the machine
 *
 * Supported sources:
 * - Environment variables
 * - Gemini CLI (~/.gemini/oauth_creds.json, ~/.gemini/settings.json)
 * - Claude Code (macOS Keychain, ~/.claude/.credentials.json)
 * - GitHub Copilot (~/.config/github-copilot/hosts.json)
 * - .env files (workspace and global)
 */
/**
 * Credential source types
 */
export declare const CredentialSource: {
    ENV_VAR: string;
    ENV_FILE: string;
    GEMINI_CLI: string;
    CLAUDE_CODE: string;
    GITHUB_COPILOT: string;
    MACOS_KEYCHAIN: string;
};
/**
 * Authentication types
 */
export declare const AuthType: {
    API_KEY: string;
    OAUTH_TOKEN: string;
    SERVICE_ACCOUNT: string;
};
/**
 * Detected credential structure
 * @typedef {Object} DetectedCredential
 * @property {string} provider - Provider name (openai, anthropic, google, etc.)
 * @property {string} source - Source of the credential (env_var, gemini_cli, etc.)
 * @property {string} authType - Type of authentication (api_key, oauth_token, etc.)
 * @property {string} value - The credential value (may be redacted for display)
 * @property {string} [rawValue] - The actual credential value (only in secure contexts)
 * @property {string} [path] - Path to the credential file if applicable
 * @property {Date} [expiresAt] - Expiration time for OAuth tokens
 * @property {boolean} [isValid] - Whether the credential appears valid
 * @property {Object} [metadata] - Additional metadata
 */
export declare class CredentialDetectionService {
    [key: string]: any;
    constructor(options?: Record<string, any>);
    /**
     * Detect all available credentials from all sources
     * @returns {Promise<DetectedCredential[]>}
     */
    detectAll(): Promise<any[]>;
    /**
     * Detect credentials for a specific provider
     * @param {string} provider - Provider name
     * @returns {Promise<DetectedCredential[]>}
     */
    detectForProvider(provider: any): Promise<any[]>;
    /**
     * Detect credentials from environment variables
     * @returns {DetectedCredential[]}
     */
    detectFromEnvironmentVariables(): any[];
    /**
     * Detect credentials from .env files
     * @returns {DetectedCredential[]}
     */
    detectFromEnvFiles(): any[];
    /**
     * Detect credentials from Gemini CLI
     * @returns {Promise<DetectedCredential[]>}
     */
    detectFromGeminiCli(): Promise<any[]>;
    /**
     * Detect credentials from Claude Code
     * @returns {Promise<DetectedCredential[]>}
     */
    detectFromClaudeCode(): Promise<any[]>;
    /**
     * Detect credentials from GitHub Copilot
     * @returns {Promise<DetectedCredential[]>}
     */
    detectFromGitHubCopilot(): Promise<any[]>;
    /**
     * Parse .env file content
     * @param {string} content
     * @returns {Object<string, string>}
     */
    parseEnvFile(content: any): Record<string, any>;
    /**
     * Redact a credential value for display
     * @param {string} value
     * @returns {string}
     */
    redactValue(value: any): string;
    /**
     * Validate API key format
     * @param {string} value
     * @param {string} provider
     * @returns {boolean}
     */
    validateApiKeyFormat(value: any, provider: any): any;
    /**
     * Deduplicate credentials, preferring OAuth over API keys and newer sources
     * @param {DetectedCredential[]} credentials
     * @returns {DetectedCredential[]}
     */
    deduplicateCredentials(credentials: any): any[];
    /**
     * Get a summary of detected credentials
     * @returns {Promise<Object>}
     */
    getSummary(): Promise<{
        total: number;
        byProvider: any;
        bySource: any;
        providers: any[];
        sources: any[];
    }>;
    /**
     * Get the best credential for a provider
     * @param {string} provider
     * @returns {Promise<DetectedCredential|null>}
     */
    getBestCredential(provider: any): Promise<any>;
    /**
     * Convert detected credential to config format
     * @param {DetectedCredential} credential
     * @returns {Object}
     */
    toConfigFormat(credential: any): {
        [x: string]: any;
        [x: number]: any;
    };
}
export default CredentialDetectionService;