/**
 * Trace Analyzer for AgentProbe v4.12.0
 *
 * Analyzes OTel spans to detect performance issues, anomalies,
 * and generate actionable insights.
 */
import type { OTelSpan } from '../otel';
export interface Bottleneck {
    spanId: string;
    operationName: string;
    durationMs: number;
    percentOfTotal: number;
    type: 'slow-tool' | 'slow-llm' | 'slow-test' | 'queue-wait';
    suggestion: string;
}
export interface Anomaly {
    type: 'retry-storm' | 'infinite-loop' | 'error-cascade' | 'timeout' | 'unusual-duration';
    severity: 'low' | 'medium' | 'high' | 'critical';
    spanIds: string[];
    description: string;
    evidence: Record<string, any>;
}
export interface TraceAnalysis {
    totalSpans: number;
    totalDurationMs: number;
    spansByType: Record<string, number>;
    errorRate: number;
    bottlenecks: Bottleneck[];
    anomalies: Anomaly[];
    insights: string[];
    summary: string;
}
export declare class TraceAnalyzer {
    private spans;
    private _bottlenecks;
    private _anomalies;
    constructor();
    /**
     * Analyze a set of OTel spans and produce a comprehensive analysis.
     */
    analyzeSpans(spans: OTelSpan[]): TraceAnalysis;
    private calculateTotalDuration;
    private categorizeSpans;
    private calculateErrorRate;
    /**
     * Find performance bottlenecks in the trace.
     */
    findBottlenecks(): Bottleneck[];
    private suggestFix;
    /**
     * Find anomalies in span patterns.
     */
    findAnomalies(): Anomaly[];
    /**
     * Generate human-readable insights from the analysis.
     */
    generateInsights(): string[];
    private generateSummary;
}
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