import { PKCECodes } from './pkce';
import { OAuthTokenStorage } from './store';
/**
 * iFlow OAuth — port từ `internal/auth/iflow/iflow_auth.go`.
 * Có 2 path: OAuth PKCE thường + Cookie (BXAuth) flow.
 */
export declare const IFLOW_AUTH_URL = "https://iflow.cn/oauth";
export declare const IFLOW_TOKEN_URL = "https://iflow.cn/oauth/token";
export declare const IFLOW_API_KEY_URL = "https://platform.iflow.cn/api/openapi/apikey";
export declare const IFLOW_CLIENT_ID = "10009311001";
export declare const IFLOW_DEFAULT_CALLBACK_PORT = 11451;
export declare const IFLOW_DEFAULT_API_BASE = "https://apis.iflow.cn/v1";
export interface IFlowAuthSession {
    authUrl: string;
    state: string;
    pkce: PKCECodes;
    redirectUri: string;
}
export declare function startIFlowAuth(callbackPort?: number): IFlowAuthSession;
export declare function exchangeIFlowCodeForTokens(code: string, pkce: PKCECodes, redirectUri: string, account?: string): Promise<OAuthTokenStorage>;
export declare function refreshIFlowToken(current: OAuthTokenStorage): Promise<OAuthTokenStorage>;
/**
 * Cookie flow: user paste cookie BXAuth từ iflow.cn (đã đăng nhập browser).
 * Gọi platform.iflow.cn/api/openapi/apikey để đổi cookie lấy API key.
 */
export declare function exchangeIFlowCookieForApiKey(cookie: string, account?: string): Promise<OAuthTokenStorage>;