import BaseException from "../base.exception";
/**
 * @fileoverview Service Unavailable exception (HTTP 503)
 * @author dr. Salmi <reevosolutions@gmail.com>
 */
/**
 * Exception thrown when a service is temporarily unavailable.
 * Corresponds to HTTP 503 Service Unavailable status code.
 *
 * @class ServiceUnavailableException
 * @extends {BaseException}
 * @example
 * ```typescript
 * throw new ServiceUnavailableException('Database temporarily unavailable');
 * throw new ServiceUnavailableException('Service under maintenance', {
 *   estimatedDowntime: '2 hours',
 *   retryAfter: 7200
 * });
 * ```
 */
declare class ServiceUnavailableException extends BaseException {
    /**
     * Creates an instance of ServiceUnavailableException.
     *
     * @param {string} [message='Service Unavailable'] - The error message
     * @param {Record<string, any>} [context] - Additional context about the service unavailability
     * @memberof ServiceUnavailableException
     */
    constructor(message?: string, context?: Record<string, any>);
}
export default ServiceUnavailableException;