/**
 * Browser-based authentication for Tinybird CLI
 *
 * Implements OAuth flow via local HTTP server callback
 */
/**
 * Port for the local OAuth callback server
 */
export declare const AUTH_SERVER_PORT = 49160;
/**
 * Default auth host (Tinybird cloud)
 */
export declare const DEFAULT_AUTH_HOST = "https://cloud.tinybird.co";
/**
 * Default API host (EU region)
 */
export declare const DEFAULT_API_HOST = "https://api.tinybird.co";
/**
 * Maximum time to wait for authentication (in seconds)
 */
export declare const SERVER_MAX_WAIT_TIME = 180;
/**
 * Get the auth host from environment or use default
 */
export declare function getAuthHost(): string;
/**
 * Result of a login attempt
 */
export interface AuthResult {
    success: boolean;
    token?: string;
    baseUrl?: string;
    workspaceName?: string;
    userEmail?: string;
    error?: string;
}
/**
 * Options for the browser login flow
 */
export interface LoginOptions {
    /** Override the default auth host */
    authHost?: string;
    /** Override the API host (region) */
    apiHost?: string;
}
/**
 * Token response from Tinybird auth API
 */
interface TokenResponse {
    workspace_token: string;
    user_token: string;
    api_host: string;
    workspace_name?: string;
    user_email?: string;
}
/**
 * Open a URL in the user's default browser
 *
 * Cross-platform support for macOS, Linux, and Windows
 *
 * @param url - URL to open
 * @returns Promise that resolves to true if browser was opened successfully
 */
export declare function openBrowser(url: string): Promise<boolean>;
/**
 * Exchange an authorization code for tokens
 *
 * @param code - Authorization code from OAuth callback
 * @param authHost - Auth host URL
 * @returns Promise that resolves to token response
 */
export declare function exchangeCodeForTokens(code: string, authHost: string): Promise<TokenResponse>;
/**
 * Perform browser-based login flow
 *
 * 1. Starts a local HTTP server for OAuth callback
 * 2. Opens the user's browser to the auth URL
 * 3. Waits for the callback with auth code
 * 4. Exchanges the code for tokens
 *
 * @param options - Login options
 * @returns Promise that resolves to auth result
 */
export declare function browserLogin(options?: LoginOptions): Promise<AuthResult>;
export {};
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