@ai-capabilities-suite/mcp-debugger-core/dist/lib/prometheus-exporter.d.ts

Core debugging engine for Node.js and TypeScript applications. Provides Inspector Protocol integration, breakpoint management, variable inspection, execution control, profiling, hang detection, and source map support.

/**
 * Prometheus Metrics Exporter
 * Exports metrics in Prometheus format
 */
export interface PrometheusMetric {
    name: string;
    type: 'counter' | 'gauge' | 'histogram' | 'summary';
    help: string;
    value: number;
    labels?: Record<string, string>;
}
export declare class PrometheusExporter {
    private metrics;
    /**
     * Register a counter metric
     * @param name Metric name
     * @param help Help text
     * @param labels Optional labels
     */
    registerCounter(name: string, help: string, labels?: Record<string, string>): void;
    /**
     * Increment a counter
     * @param name Metric name
     * @param value Increment value (default: 1)
     * @param labels Optional labels
     */
    incrementCounter(name: string, value?: number, labels?: Record<string, string>): void;
    /**
     * Register a gauge metric
     * @param name Metric name
     * @param help Help text
     * @param labels Optional labels
     */
    registerGauge(name: string, help: string, labels?: Record<string, string>): void;
    /**
     * Set a gauge value
     * @param name Metric name
     * @param value Gauge value
     * @param labels Optional labels
     */
    setGauge(name: string, value: number, labels?: Record<string, string>): void;
    /**
     * Increment a gauge
     * @param name Metric name
     * @param value Increment value (default: 1)
     * @param labels Optional labels
     */
    incrementGauge(name: string, value?: number, labels?: Record<string, string>): void;
    /**
     * Decrement a gauge
     * @param name Metric name
     * @param value Decrement value (default: 1)
     * @param labels Optional labels
     */
    decrementGauge(name: string, value?: number, labels?: Record<string, string>): void;
    /**
     * Get metric key with labels
     */
    private getMetricKey;
    /**
     * Format labels for Prometheus
     */
    private formatLabels;
    /**
     * Export metrics in Prometheus format
     * @returns Metrics in Prometheus text format
     */
    export(): string;
    /**
     * Get all metrics
     * @returns Map of all metrics
     */
    getMetrics(): Map<string, PrometheusMetric>;
    /**
     * Reset all metrics
     */
    reset(): void;
    /**
     * Remove a metric
     * @param name Metric name
     * @param labels Optional labels
     */
    removeMetric(name: string, labels?: Record<string, string>): void;
}
/**
 * Global Prometheus exporter instance
 */
export declare const prometheusExporter: PrometheusExporter;
/**
 * Initialize standard debugging metrics
 */
export declare function initializeDebuggerMetrics(exporter: PrometheusExporter): void;