/**
 * ThreadTS Universal - Health Check System
 * Comprehensive system health monitoring and diagnostics
 */
export interface HealthStatus {
    overall: 'healthy' | 'warning' | 'critical' | 'unknown';
    timestamp: number;
    uptime: number;
    checks: HealthCheck[];
    summary: string;
    recommendations: string[];
}
export interface HealthCheck {
    name: string;
    status: 'pass' | 'warn' | 'fail';
    message: string;
    details?: Record<string, unknown>;
    duration: number;
}
export declare class HealthMonitor {
    private startTime;
    private lastHealthCheck?;
    private healthCheckInterval?;
    private isMonitoring;
    /**
     * Starts continuous health monitoring
     */
    startHealthMonitoring(intervalMs?: number): void;
    /**
     * Stops health monitoring
     */
    stopHealthMonitoring(): void;
    /**
     * Performs a comprehensive health check
     */
    performHealthCheck(): Promise<HealthStatus>;
    /**
     * Checks platform compatibility
     */
    private checkPlatformCompatibility;
    /**
     * Checks worker thread support
     */
    private checkWorkerSupport;
    /**
     * Checks memory health
     */
    private checkMemoryHealth;
    /**
     * Checks performance metrics
     */
    private checkPerformanceMetrics;
    /**
     * Checks error rate
     */
    private checkErrorRate;
    /**
     * Checks system resources
     */
    private checkSystemResources;
    /**
     * Checks dependency health
     */
    private checkDependencyHealth;
    /**
     * Calculates overall health status based on individual checks
     */
    private calculateOverallStatus;
    /**
     * Generates a health summary
     */
    private generateSummary;
    /**
     * Generates health recommendations
     */
    private generateRecommendations;
    /**
     * Gets the last health check result
     */
    getLastHealthCheck(): HealthStatus | undefined;
    /**
     * Gets system uptime in milliseconds
     */
    getUptime(): number;
    /**
     * Generates a comprehensive health report
     */
    generateHealthReport(): string;
    /**
     * Performs a quick health check (essential checks only)
     */
    quickHealthCheck(): Promise<{
        status: 'healthy' | 'warning' | 'critical';
        message: string;
    }>;
    /**
     * Resets the health monitor
     */
    reset(): void;
}
export declare const healthMonitor: HealthMonitor;
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