import { PKCECodes } from './pkce';
import { OAuthTokenStorage } from './store';
/**
 * Claude OAuth flow — port từ CLIProxyAPI `internal/auth/claude/anthropic_auth.go`.
 *
 * Constants giống y nguyên Claude Code CLI để Anthropic nhận diện là Claude Code:
 *   - ClientID: 9d1c250a-e61b-44d9-88ed-5944d1962f5e
 *   - Scope:    user:profile user:inference user:sessions:claude_code
 *               user:mcp_servers user:file_upload
 *   - Redirect: http://localhost:54545/callback
 */
export declare const CLAUDE_AUTH_URL = "https://claude.ai/oauth/authorize";
export declare const CLAUDE_TOKEN_URL = "https://api.anthropic.com/v1/oauth/token";
export declare const CLAUDE_CLIENT_ID = "9d1c250a-e61b-44d9-88ed-5944d1962f5e";
export declare const CLAUDE_REDIRECT_URI = "http://localhost:54545/callback";
export declare const CLAUDE_SCOPE = "user:profile user:inference user:sessions:claude_code user:mcp_servers user:file_upload";
export interface ClaudeAuthSession {
    authUrl: string;
    state: string;
    pkce: PKCECodes;
}
/** Khởi tạo OAuth session — trả URL để mở browser. */
export declare function startClaudeAuth(): ClaudeAuthSession;
/**
 * Đổi authorization code lấy access + refresh token.
 */
export declare function exchangeCodeForTokens(authCode: string, pkce: PKCECodes, state: string, account?: string): Promise<OAuthTokenStorage>;
/** Refresh access token bằng refresh_token (không cần PKCE). */
export declare function refreshClaudeToken(current: OAuthTokenStorage): Promise<OAuthTokenStorage>;