import { EnhancedTokenManager } from './enhanced-token-manager.js';
import { type AuthClientOptions, type FullAuthClient } from './types.js';
/**
 * Authentication strategy for the auth factory
 * Only the Enhanced strategy is supported in this version
 */
export declare enum AuthStrategy {
    /**
     * Enhanced OAuth 2.0 code flow authentication
     * - Built-in token persistence and refresh capabilities
     * - Includes retry logic, automatic reconnection, and token validation
     * - Comprehensive error handling and debugging tools
     * - Reliable token management for serverless environments
     */
    ENHANCED = "enhanced"
}
/**
 * Configuration options for creating an authentication client
 */
export interface AuthFactoryConfig {
    /**
     * Authentication strategy to use (only ENHANCED is supported)
     * @default AuthStrategy.ENHANCED
     */
    strategy?: AuthStrategy | string;
    /**
     * OAuth client options (required)
     */
    oauthConfig: AuthClientOptions;
}
export type { FullAuthClient };
/**
 * Creates an authentication client using the EnhancedTokenManager
 *
 * @example
 * ```typescript
 * const auth = createSchwabAuth({
 *   oauthConfig: {
 *     clientId: 'your-client-id',
 *     clientSecret: 'your-client-secret',
 *     redirectUri: 'your-redirect-uri',
 *     // Optional storage callbacks
 *     save: async (tokens) => localStorage.setItem('tokens', JSON.stringify(tokens)),
 *     load: async () => JSON.parse(localStorage.getItem('tokens') || 'null')
 *   }
 * });
 *
 * // Get authorization URL
 * const { authUrl } = auth.getAuthorizationUrl();
 * // Exchange code for tokens
 * const tokens = await auth.exchangeCode('authorization-code');
 * ```
 */
export declare function createSchwabAuth(config: AuthFactoryConfig): EnhancedTokenManager;