/**
 * Internal type definitions for telemetry middleware
 */
import type { UnifiedTelemetryProvider, UnifiedTelemetrySpan, UnifiedTelemetryLogger } from '@inh-lib/unified-telemetry-core';
/**
 * Trace context extracted from headers
 */
export interface InternalTraceContext {
    traceId: string;
    spanId: string;
    sampled: boolean;
    parentSpanId?: string;
    traceState?: string;
    format: 'w3c' | 'b3' | 'custom' | 'none';
}
/**
 * Resource measurement for performance tracking
 */
export interface InternalResourceMeasurement {
    timestamp: number;
    memory: {
        heapUsed: number;
        heapTotal: number;
        external: number;
        rss: number;
    };
    cpu: {
        user: number;
        system: number;
    };
}
/**
 * Telemetry metrics configuration
 */
export interface InternalTelemetryMetricsConfig {
    enableRequestCounter: boolean;
    enableDurationHistogram: boolean;
    enableMemoryHistogram: boolean;
    enableCpuHistogram: boolean;
    enableSystemMetrics: boolean;
}
/**
 * Telemetry span configuration
 */
export interface InternalTelemetrySpanConfig {
    enableTracing: boolean;
    enableAutoSpanEvents: boolean;
    spanNamePrefix: string;
    operationNamePrefix: string;
}
/**
 * Telemetry middleware configuration
 */
export interface InternalTelemetryMiddlewareConfig {
    metrics: InternalTelemetryMetricsConfig;
    spans: InternalTelemetrySpanConfig;
    enableResourceTracking: boolean;
    enableTraceExtraction: boolean;
    enableCorrelationId: boolean;
    enableSystemMetrics: boolean;
    enableRegistryCleanup: boolean;
    customAttributes?: Record<string, string | number | boolean>;
}
/**
 * HTTP request context for telemetry
 */
export interface InternalHttpRequestContext {
    method: string;
    route: string;
    url: string;
    statusCode: number;
    userAgent?: string;
    ip?: string;
    userId?: string;
    correlationId?: string;
    requestId?: string;
}
/**
 * Performance tracking data stored in registry
 */
export interface InternalPerformanceTrackingData {
    span: UnifiedTelemetrySpan;
    logger: UnifiedTelemetryLogger;
    startTime: number;
    startMemory: InternalResourceMeasurement;
    traceContext: InternalTraceContext;
    requestContext: InternalHttpRequestContext;
}
/**
 * Metrics labels for different metric types
 */
export interface InternalMetricsLabels {
    http_requests: {
        method: string;
        route: string;
        status_code: string;
    };
    http_duration: {
        method: string;
        route: string;
        status_code: string;
    };
    http_memory: {
        method: string;
        route: string;
        status_code: string;
    };
    http_cpu: {
        method: string;
        route: string;
        status_code: string;
    };
    system: {
        service: string;
        instance: string;
    };
}
/**
 * Telemetry provider dependencies
 */
export interface InternalTelemetryDependencies {
    provider: UnifiedTelemetryProvider;
    config: InternalTelemetryMiddlewareConfig;
}