import { AwsSsoConfig, AwsSsoAuthResult } from './vendor.aws.sso.types.js';
/**
 * Get AWS SSO configuration from the environment
 *
 * Retrieves the AWS SSO start URL and region from the environment variables.
 * These are required for SSO authentication.
 *
 * @returns {AwsSsoConfig} AWS SSO configuration
 * @throws {Error} If AWS SSO configuration is missing
 */
export declare function getAwsSsoConfig(): Promise<AwsSsoConfig>;
/**
 * Get cached SSO token from the cache
 *
 * @returns {Promise<AwsSsoAuthResult | undefined>} The cached token or undefined if not found
 */
export declare function getCachedSsoToken(): Promise<AwsSsoAuthResult | undefined>;