/**
 * Kimi Code OAuth flow (device authorization grant)
 */
import type { OAuthController, OAuthCredentials } from "./types";
/** Test seam: the OAuth host as resolved from trusted env. */
export declare function resolveKimiOAuthHostForTest(): string;
/** @internal Exported for tests. Builds unsanitized-input-safe Kimi common headers. */
export declare function buildKimiCommonHeaders(): Readonly<Record<string, string>>;
export declare const getKimiCommonHeaders: () => Readonly<Record<string, string>>;
/**
 * Login with Kimi Code OAuth (device code flow).
 */
export declare function loginKimi(options: OAuthController): Promise<OAuthCredentials>;
/**
 * Refresh Kimi OAuth token.
 */
export declare function refreshKimiToken(refreshToken: string): Promise<OAuthCredentials>;