import { EventEmitter } from '@omnitron-dev/eventemitter';
import type { ILogger } from '@omnitron-dev/titan/module/logger';
import type { IHealthStatus, ServiceProxy, IProcessOptions } from './types.js';
export declare class ProcessHealthChecker extends EventEmitter {
    private readonly logger;
    private checkers;
    private healthHistory;
    private failureCounts;
    private checkInProgress;
    private criticalEmitted;
    constructor(logger: ILogger);
    startMonitoring(processId: string, proxy: ServiceProxy<any>, options: IProcessOptions['health']): void;
    stopMonitoring(processId: string): void;
    destroy(): void;
    getHealth(processId: string): IHealthStatus | null;
    getHealthHistory(processId: string): IHealthStatus[];
    isHealthy(processId: string): boolean;
    private performHealthCheck;
    private checkHealth;
    private basicHealthCheck;
    private recordHealth;
    private withTimeout;
    private delay;
    analyzeTrends(processId: string): {
        trend: 'improving' | 'degrading' | 'stable';
        availability: number;
        avgResponseTime?: number;
    };
    getDegradationStrategy(processId: string): {
        action: 'continue' | 'reduce_load' | 'circuit_break' | 'replace';
        loadReductionPercent?: number;
        reason: string;
    };
    shouldReduceLoad(processId: string): {
        reduce: boolean;
        percent: number;
    };
}
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