@gebrai/gebrai/dist/utils/performance/index.d.ts

Model Context Protocol server for GeoGebra mathematical visualization

/**
 * Performance Monitoring and Optimization System
 * GEB-9: Performance Optimization: Response Time and Resource Management
 */
export interface PerformanceMetrics {
    operationName: string;
    startTime: number;
    endTime: number;
    duration: number;
    success: boolean;
    errorMessage?: string;
    memoryUsage?: NodeJS.MemoryUsage;
    metadata?: Record<string, any>;
}
export interface PerformanceThresholds {
    [operationName: string]: {
        warning: number;
        critical: number;
    };
}
export declare class PerformanceMonitor {
    private static instance;
    private metrics;
    private thresholds;
    private maxMetrics;
    private defaultThresholds;
    private constructor();
    static getInstance(): PerformanceMonitor;
    /**
     * Start timing an operation
     */
    startTiming(operationName: string, metadata?: Record<string, any>): (success?: boolean, errorMessage?: string) => PerformanceMetrics;
    /**
     * Measure and record an async operation
     */
    measureOperation<T>(operationName: string, operation: () => Promise<T>, metadata?: Record<string, any>): Promise<T>;
    /**
     * Add a metric to the collection
     */
    private addMetric;
    /**
     * Check if metric exceeds thresholds and log warnings
     */
    private checkThresholds;
    /**
     * Get performance statistics for an operation
     */
    getStats(operationName?: string): {
        count: number;
        averageDuration: number;
        medianDuration: number;
        minDuration: number;
        maxDuration: number;
        successRate: number;
        p95Duration: number;
        p99Duration: number;
    };
    /**
     * Get all operation names with metrics
     */
    getOperationNames(): string[];
    /**
     * Clear all metrics
     */
    clearMetrics(): void;
    /**
     * Export metrics for analysis
     */
    exportMetrics(): PerformanceMetrics[];
    /**
     * Set custom thresholds
     */
    setThresholds(thresholds: Partial<PerformanceThresholds>): void;
}
export declare const performanceMonitor: PerformanceMonitor;
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