import { AwsSsoAuthResult, DeviceAuthorizationInfo } from './vendor.aws.sso.types.js';
import { z } from 'zod';
import { DeviceAuthorizationResponseSchema } from './vendor.aws.sso.auth.http.js';
/**
 * Auth check result
 */
export interface AuthCheckResult {
    /**
     * Whether the user is authenticated
     */
    isAuthenticated: boolean;
    /**
     * Error message if authentication failed
     */
    errorMessage?: string;
}
/**
 * Start the AWS SSO login process
 *
 * Initiates the SSO login flow by registering a client and starting device authorization.
 * Returns a verification URI and user code that the user must visit to complete authentication.
 *
 * @returns {Promise<DeviceAuthorizationResponseSchema['_output']>} Login information including verification URI and user code
 * @throws {Error} If login initialization fails
 */
export declare function startSsoLogin(): Promise<z.infer<typeof DeviceAuthorizationResponseSchema>>;
/**
 * Poll for SSO token completion
 *
 * Continuously polls the SSO token endpoint until authentication is complete or times out.
 * Automatically applies appropriate backoff between retries based on the device authorization interval.
 *
 * @returns {Promise<AwsSsoAuthResult>} AWS SSO auth result with access token
 * @throws {Error} If polling times out or auth is denied
 */
export declare function pollForSsoToken(): Promise<AwsSsoAuthResult>;
/**
 * Check SSO authentication status
 *
 * Verifies if there is a valid cached token.
 *
 * @returns {Promise<AuthCheckResult>} Authentication status including isAuthenticated flag
 */
export declare function checkSsoAuthStatus(): Promise<AuthCheckResult>;
/**
 * Get cached device authorization information
 *
 * @returns {Promise<DeviceAuthorizationInfo | undefined>} The cached device auth info or undefined if not found
 */
export declare function getCachedDeviceAuthorizationInfo(): Promise<DeviceAuthorizationInfo | undefined>;