/**
 * Plugin Analytics Tracker - Tracks plugin usage and performance metrics
 */
import { EventEmitter } from 'events';
export interface PluginUsageMetrics {
    pluginId: string;
    installDate: Date;
    lastUsed: Date;
    activationCount: number;
    deactivationCount: number;
    totalActiveTime: number;
    commandsExecuted: number;
    errorsEncountered: number;
    performanceMetrics: {
        averageActivationTime: number;
        averageCommandExecutionTime: number;
        memoryUsage: number;
        cpuUsage: number;
    };
    eventMetrics: {
        eventsPublished: number;
        eventsSubscribed: number;
        eventHandlingErrors: number;
    };
}
export interface SystemAnalytics {
    totalPlugins: number;
    activePlugins: number;
    totalUsageTime: number;
    totalCommands: number;
    totalErrors: number;
    mostUsedPlugins: Array<{
        pluginId: string;
        usageTime: number;
    }>;
    errorReport: Array<{
        pluginId: string;
        errorCount: number;
        lastError: Date;
    }>;
    performanceSummary: {
        averageMemoryUsage: number;
        averageCpuUsage: number;
        totalMemoryUsed: number;
    };
}
export declare class PluginAnalyticsTracker extends EventEmitter {
    private config;
    private metrics;
    private activationTimes;
    private commandStartTimes;
    private flushInterval;
    private metricsBuffer;
    constructor(config?: {
        flushIntervalMs?: number;
        maxBufferSize?: number;
        enablePerformanceTracking?: boolean;
    });
    /**
     * Track plugin installation
     */
    trackInstall(pluginId: string): void;
    /**
     * Track plugin uninstallation
     */
    trackUninstall(pluginId: string): void;
    /**
     * Track plugin activation
     */
    trackActivation(pluginId: string): void;
    /**
     * Track plugin deactivation
     */
    trackDeactivation(pluginId: string): void;
    /**
     * Track plugin reload
     */
    trackReload(pluginId: string): void;
    /**
     * Track plugin update
     */
    trackUpdate(pluginId: string, fromVersion: string, toVersion: string): void;
    /**
     * Track command execution
     */
    trackCommandStart(pluginId: string, command: string): void;
    /**
     * Track command completion
     */
    trackCommandEnd(pluginId: string, command: string, success?: boolean): void;
    /**
     * Track plugin error
     */
    trackError(pluginId: string, error: any, context?: string): void;
    /**
     * Track event publishing
     */
    trackEventPublished(pluginId: string, eventType: string): void;
    /**
     * Track event subscription
     */
    trackEventSubscribed(pluginId: string, eventType: string): void;
    /**
     * Track event handling error
     */
    trackEventHandlingError(pluginId: string, eventType: string, error: any): void;
    /**
     * Get metrics for a specific plugin
     */
    getPluginMetrics(pluginId: string): PluginUsageMetrics | undefined;
    /**
     * Get metrics for all plugins
     */
    getAllMetrics(): PluginUsageMetrics[];
    /**
     * Get system analytics summary
     */
    getSystemAnalytics(): SystemAnalytics;
    /**
     * Export analytics data
     */
    exportData(): {
        metrics: PluginUsageMetrics[];
        buffer: Array<{
            timestamp: Date;
            type: string;
            data: any;
        }>;
        systemAnalytics: SystemAnalytics;
    };
    /**
     * Clear all metrics
     */
    clearMetrics(): void;
    /**
     * Flush metrics buffer
     */
    flush(): Promise<void>;
    /**
     * Cleanup resources
     */
    cleanup(): Promise<void>;
    private createInitialMetrics;
    private getOrCreateMetrics;
    private addToBuffer;
    private trackActivationPerformance;
    private updateCommandPerformance;
    private setupPeriodicFlush;
}
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