/**
 * OpenAI Codex (ChatGPT) OAuth.
 *
 * Owns callback validation, manual prompt handling, and success/error pages.
 */
import type { OAuthCredentials, OAuthLoginCallbacks, OAuthProviderInterface } from './types.js';
export declare function loginOpenAICodex(callbacks: OAuthLoginCallbacks): Promise<OAuthCredentials>;
export declare function refreshOpenAICodexToken(refreshToken: string): Promise<OAuthCredentials>;
export declare const openaiCodexOAuthProvider: OAuthProviderInterface;