import { ToolsManager } from '../tools/toolsManager.js';
import { AuthValidationResult } from '../types.js';
/**
 * Perform auto-authentication validation if environment is configured
 *
 * Environment variables:
 * - SN_INSTANCE_URL: ServiceNow instance URL (required for auto-auth)
 * - SN_AUTH_TYPE: Authentication type ('basic' or 'oauth', defaults to 'oauth')
 * - SN_USER_NAME / SN_USERNAME: Username for basic auth
 * - SN_PASSWORD: Password for basic auth
 *
 * Rules:
 * 1. If SN_INSTANCE_URL is not set -> return skipped status
 * 2. List existing auth profiles via `npx now-sdk auth --list`
 *    - If a profile's host matches SN_INSTANCE_URL -> use that profile
 *    - Store the auth alias in session for use by all SDK commands
 * 3. If no matching profile found -> attempt to add auth profile automatically
 *    - For basic auth: uses SN_USER_NAME/SN_USERNAME and SN_PASSWORD env vars
 *    - For OAuth: opens browser for authentication
 *    - If successful, store the auth alias in session
 *    - If failed, return not_authenticated with setup instructions
 *
 * @returns AuthValidationResult with structured auth status for client notification
 */
export declare function autoValidateAuthIfConfigured(toolsManager: ToolsManager): Promise<AuthValidationResult>;
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