/**
 * Performance Profiler - Detailed latency breakdown for agent traces.
 *
 * Breaks down: LLM calls vs tool execution vs total.
 * Computes P50/P95/P99 percentiles. Identifies bottlenecks.
 *
 * Re-exports enhanced profiling from behavior-profiler plus
 * additional detailed breakdown utilities.
 */
import type { AgentTrace } from './types';
export { profilePerformance, formatPerformanceProfile } from './behavior-profiler';
export type { PerformanceProfile } from './behavior-profiler';
export interface DetailedLatencyBreakdown {
    llm: {
        total_ms: number;
        pct: number;
        count: number;
    };
    tool: {
        total_ms: number;
        pct: number;
        count: number;
    };
    overhead: {
        total_ms: number;
        pct: number;
    };
    total_ms: number;
}
export interface PercentileSet {
    p50: number;
    p95: number;
    p99: number;
    min: number;
    max: number;
    avg: number;
}
/**
 * Compute detailed latency breakdown across traces.
 */
export declare function detailedLatencyBreakdown(traces: AgentTrace[]): DetailedLatencyBreakdown;
/**
 * Compute percentile stats for all step durations.
 */
export declare function stepPercentiles(traces: AgentTrace[]): PercentileSet;
/**
 * Identify the slowest tool (bottleneck) from traces.
 */
export declare function identifyBottleneck(traces: AgentTrace[]): {
    tool: string;
    totalMs: number;
    pctOfTotal: number;
} | null;
/**
 * Format detailed breakdown for console.
 */
export declare function formatDetailedBreakdown(breakdown: DetailedLatencyBreakdown): string;
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