/**
 * Auth Helper Functions
 *
 * Higher-level authentication functions that combine storage and login
 * functionality for common auth operations.
 */
import { type CredentialManager, type StoredCredentials } from "../storage";
/**
 * Refresh an access token using the refresh token
 */
export declare function refreshAccessToken(refreshToken: string, endpoint?: string): Promise<{
    accessToken: string;
    refreshToken: string;
} | null>;
/**
 * Get a valid access token, refreshing if necessary
 */
export declare function getValidAccessToken(credentialManager: CredentialManager, endpoint?: string): Promise<string | null>;
/**
 * Authenticate using an API key
 */
export declare function authenticateWithApiKey(credentialManager: CredentialManager, apiKey: string, options?: {
    endpoint?: string;
}): Promise<boolean>;
/**
 * Authenticate using a direct token (no refresh token)
 */
export declare function authenticateWithToken(credentialManager: CredentialManager, token: string): Promise<void>;
/**
 * Check if the user is authenticated with a valid token
 */
export declare function isAuthenticated(credentialManager: CredentialManager): Promise<boolean>;
/**
 * Get stored credentials
 */
export declare function getStoredCredentials(credentialManager: CredentialManager): Promise<StoredCredentials>;
/**
 * Clear all credentials
 */
export declare function clearCredentials(credentialManager: CredentialManager): Promise<void>;