import type { EmailLogOptions } from '../interfaces';
import { EmailLogRateLimiterService } from './email-log-rate-limiter.service';
import { EmailLogFormatterService } from './email-log-formatter.service';
/**
 * Email log alert service
 * Sends email notifications for critical log entries
 *
 * This service can be used directly to send email alerts
 * without requiring Pino transport integration
 *
 * Note: Manual email alerts don't include HTTP context.
 * For HTTP context, use Pino logger which automatically includes it via customProps.
 */
export declare class EmailLogAlertService {
    private readonly options;
    private readonly rateLimiter;
    private readonly formatter;
    private readonly logger;
    private readonly appName;
    private emailProvider;
    constructor(options: EmailLogOptions, rateLimiter: EmailLogRateLimiterService, formatter: EmailLogFormatterService);
    /**
     * Send a log alert via email
     * @param level Log level (error, fatal, etc.)
     * @param message Log message
     * @param error Optional error object
     * @param context Optional additional context
     */
    sendAlert(level: string, message: string, error?: Error, context?: Record<string, any>): Promise<void>;
    /**
     * Send error alert
     */
    error(message: string, error?: Error, context?: Record<string, any>): Promise<void>;
    /**
     * Send fatal alert
     */
    fatal(message: string, error?: Error, context?: Record<string, any>): Promise<void>;
    /**
     * Format and send email
     */
    private sendEmail;
    /**
     * Cleanup on module destroy
     */
    onModuleDestroy(): Promise<void>;
}