import { TokenData } from '../types/connection.js';
/**
 * Check if token is expired or will expire soon
 */
export declare function isTokenExpired(tokenData: TokenData): boolean;
/**
 * Refresh an OAuth token using refresh token
 */
export declare function refreshToken(refreshToken: string, clientId: string, clientSecret: string, instanceUrl: string): Promise<TokenData>;
/**
 * Exchange authorization code for tokens
 */
export declare function exchangeCodeForTokens(authorizationCode: string, clientId: string, clientSecret: string, redirectUri: string, instanceUrl: string): Promise<TokenData>;