/**
 * SGLang login flow.
 *
 * SGLang is commonly self-hosted with an OpenAI-compatible API at a local base URL.
 * Some deployments require a bearer token, others allow unauthenticated access.
 *
 * This flow stores an API-key-style credential used by `/login` and auth storage.
 */
import type { OAuthController } from "./types";
/**
 * Login to SGLang.
 *
 * Opens SGLang OpenAI-compatible auth docs, prompts for a bearer token,
 * and returns a stored key value. Local no-auth servers need no login.
 */
export declare function loginSglang(options: OAuthController): Promise<string>;