/**
 * Trace Anomaly Detection - Detect anomalous agent behavior by comparing
 * current traces against a baseline of normal behavior.
 */
export interface AnomalyResult {
    anomalies: Anomaly[];
    baselineStats: BaselineStats;
    currentStats: BaselineStats;
}
export interface Anomaly {
    type: 'tool_sequence' | 'response_length' | 'error_pattern' | 'new_tool' | 'latency_spike' | 'cost_spike' | 'token_spike';
    severity: 'low' | 'medium' | 'high' | 'critical';
    description: string;
    details: Record<string, any>;
}
export interface BaselineStats {
    toolSequences: string[][];
    toolFrequency: Record<string, number>;
    avgResponseTokens: number;
    stdResponseTokens: number;
    errorPatterns: Record<string, number>;
    avgLatencyMs: number;
    stdLatencyMs: number;
    avgCostUsd: number;
    traceCount: number;
}
/**
 * Detect anomalies by comparing current traces against baseline.
 */
export declare function detectAnomalies(baselineDir: string, currentDir: string): AnomalyResult;
/**
 * Format anomaly results for console output.
 */
export declare function formatAnomalies(result: AnomalyResult): string;
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