/**
 * Run the browser-authorize flow against `baseUrl` and return a `flows_oauth_…`
 * access token (save it with `saveConfig({ apiKey, baseUrl })`). Opens the user's
 * browser; falls back to printing the URL if it can't. `log` defaults to stderr
 * so stdout stays clean for scripting.
 */
export declare function browserLogin(baseUrl: string, opts?: {
    timeoutMs?: number;
    log?: (msg: string) => void;
}): Promise<string>;